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257 vulnerabilities found for apache tomcat by apache software foundation
CVE-2026-73180 (GCVE-0-2026-73180)
Vulnerability from nvd – Published: 2026-08-25 22:01 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Authenticated WebSocket session survives end of HTTP session
Summary
Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP session was changed after a WebSocket connection had been established under that authenticated HTTP session, the WebSokcet session would not be closed as required by the Jakarta WebSocket specification when the HTTP session ended.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.
The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.0 through 8.5.100, from 7.0.43 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/3j15vztszpyqss253… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.57 (semver) Affected: 9.0.0.M1 , ≤ 9.0.120 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.43 , ≤ 7.0.109 (semver) Unaffected: 0 , < 7.0.43 (semver) |
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CVE-2026-68763 (GCVE-0-2026-68763)
Vulnerability from nvd – Published: 2026-08-25 22:00 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset
Summary
Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog tracking when a stream is reset
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.39 through 9.0.120.
The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.59 through 8.5.100. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.57 (semver) Affected: 9.0.39 , ≤ 9.0.120 (semver) Affected: 8.5.59 , ≤ 8.5.100 (semver) Unaffected: 0 , ≤ 7.0.109 (semver) |
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CVE-2026-68569 (GCVE-0-2026-68569)
Vulnerability from nvd – Published: 2026-08-25 21:59 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Principal lookup can fail open in some cases
Summary
Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.
The following versions were EOL at the time the CVE was created but are
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Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-287 - Improper Authentication
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
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CVE-2026-68525 (GCVE-0-2026-68525)
Vulnerability from nvd – Published: 2026-08-25 21:57 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Redirect after FORM auth may bypass method specific constraints
Summary
Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.
The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.
Severity
No CVSS data available.
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
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CVE-2026-66422 (GCVE-0-2026-66422)
Vulnerability from nvd – Published: 2026-08-25 21:55 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Servlet role references can bypass declarative role constraints
Summary
Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole().
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The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.46 through 8.5.100, from 7.0.97 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-285 - Improper Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
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CVE-2026-65927 (GCVE-0-2026-65927)
Vulnerability from nvd – Published: 2026-08-25 21:53 – Updated: 2026-08-26 15:22
VLAI
EPSS
VEX
Title
Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control
Summary
Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule.
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Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:21 UTC
CWE
- CWE-193 - Off-by-one Error
Assigner
References
2 references
Impacted products
1 product
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CVE-2026-65905 (GCVE-0-2026-65905)
Vulnerability from nvd – Published: 2026-08-25 21:51 – Updated: 2026-08-26 15:21
VLAI
EPSS
VEX
Title
Apache Tomcat: Limited replay attack possible with DIGEST authentication
Summary
Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before windowSize requests have been made, a client makes a DIGEST
authenticated request with a nonceCount on the upper boundary of the
replay window then that request is replayable once only while the
associated nonceCount remains within the replay window.
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Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:20 UTC
CWE
- CWE-294 - Authentication Bypass by Capture-replay
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
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CVE-2026-65637 (GCVE-0-2026-65637)
Vulnerability from nvd – Published: 2026-08-25 21:49 – Updated: 2026-08-26 15:20
VLAI
EPSS
VEX
Title
Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - CVE-2026-32990 fix incomplete
Summary
Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990.
This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:20 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/djog953z1ohsyt25b… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.20 , ≤ 11.0.24
(semver)
Affected: 10.1.53 , ≤ 10.1.57 (semver) Affected: 9.0.115 , ≤ 9.0.120 (semver) |
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CVE-2026-65183 (GCVE-0-2026-65183)
Vulnerability from nvd – Published: 2026-08-25 21:44 – Updated: 2026-08-26 15:19
VLAI
EPSS
VEX
Title
Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets
Summary
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets allows an unauthorised local user to access the unix domain socket.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.42 through 9.0.120.
Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:18 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
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Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
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CVE-2026-65182 (GCVE-0-2026-65182)
Vulnerability from nvd – Published: 2026-08-25 21:43 – Updated: 2026-08-26 15:18
VLAI
EPSS
VEX
Title
Apache Tomcat: Bypass longest prefix security constraint
Summary
Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:17 UTC
Assigner
References
2 references
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
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CVE-2026-66299 (GCVE-0-2026-66299)
Vulnerability from nvd – Published: 2026-07-28 14:29 – Updated: 2026-07-28 17:40
VLAI
EPSS
VEX
Title
Apache Tomcat: DoS via WebSocket chat example
Summary
Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example.
This issue affects Apache Tomcat: from 11.0.0-M20 through 11.0.24, from 10.1.24 through 10.1.57, from 9.0.89 through 9.0.120. Users who have followed the security guidance to remove the examples web application are not affected by this issue.
Users are recommended to remove the examples web application or to upgrade to version 11.0.25, 10.1.58 or 9.0.121 (when released), which fix the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 17:39 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
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|---|---|
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| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
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Affected:
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Affected: 10.1.24 , ≤ 10.1.57 (semver) Affected: 9.0.89 , ≤ 9.0.120 (semver) Unaffected: 0 , ≤ 8.5.100 (semver) |
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CVE-2026-59084 (GCVE-0-2026-59084)
Vulnerability from nvd – Published: 2026-07-14 08:24 – Updated: 2026-07-14 13:51
VLAI
EPSS
VEX
Title
Apache Tomcat: EncryptInterceptor requirements not clearly documented
Summary
Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.13 through 9.0.119, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:51 UTC
CWE
- CWE-1059 - Insufficient Technical Documentation
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.23
(semver)
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CVE-2026-59083 (GCVE-0-2026-59083)
Vulnerability from nvd – Published: 2026-07-14 08:13 – Updated: 2026-07-14 12:19
VLAI
EPSS
VEX
Title
Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass
Summary
Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 12:19 UTC
CWE
- CWE-177 - Improper Handling of URL Encoding (Hex Encoding)
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.23
(semver)
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CVE-2026-55957 (GCVE-0-2026-55957)
Vulnerability from nvd – Published: 2026-06-29 20:47 – Updated: 2026-06-30 13:27
VLAI
EPSS
VEX
Title
Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind
Summary
Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from 9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:26 UTC
CWE
- CWE-304 - Missing Critical Step in Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/7fk339o5jvd4mcgsf… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
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| Apache Software Foundation | Apache Tomcat |
Affected:
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CVE-2026-55956 (GCVE-0-2026-55956)
Vulnerability from nvd – Published: 2026-06-29 20:46 – Updated: 2026-06-30 13:25
VLAI
EPSS
VEX
Title
Apache Tomcat: Security constraints for default servlet ignored method
Summary
Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:23 UTC
CWE
- CWE-285 - Improper Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/dcjdcnnnww9hhdm01… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.22
(semver)
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CVE-2026-55955 (GCVE-0-2026-55955)
Vulnerability from nvd – Published: 2026-06-29 20:44 – Updated: 2026-06-30 13:22
VLAI
EPSS
VEX
Title
Apache Tomcat: EncryptInterceptor not protected against replay attacks
Summary
Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.
Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:21 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/g4p5sf45p3f9r011p… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
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1 product
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| Apache Software Foundation | Apache Tomcat |
Affected:
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CVE-2026-55276 (GCVE-0-2026-55276)
Vulnerability from nvd – Published: 2026-06-29 20:42 – Updated: 2026-06-30 13:59
VLAI
EPSS
VEX
Title
Apache Tomcat: Logged effective web.xml is incomplete
Summary
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119 which fixes the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:59 UTC
CWE
- CWE-670 - Always-Incorrect Control Flow Implementation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/jy09xjlzn6r2qwvqo… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
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CVE-2026-73180 (GCVE-0-2026-73180)
Vulnerability from cvelistv5 – Published: 2026-08-25 22:01 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Authenticated WebSocket session survives end of HTTP session
Summary
Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP session was changed after a WebSocket connection had been established under that authenticated HTTP session, the WebSokcet session would not be closed as required by the Jakarta WebSocket specification when the HTTP session ended.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.
The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.0 through 8.5.100, from 7.0.43 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/3j15vztszpyqss253… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
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CVE-2026-68763 (GCVE-0-2026-68763)
Vulnerability from cvelistv5 – Published: 2026-08-25 22:00 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset
Summary
Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog tracking when a stream is reset
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.39 through 9.0.120.
The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.59 through 8.5.100. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
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CVE-2026-68569 (GCVE-0-2026-68569)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:59 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Principal lookup can fail open in some cases
Summary
Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.
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Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-287 - Improper Authentication
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
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CVE-2026-68525 (GCVE-0-2026-68525)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:57 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Redirect after FORM auth may bypass method specific constraints
Summary
Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.
The following versions were EOL at the time the CVE was created but are
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Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.
Severity
No CVSS data available.
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
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CVE-2026-66422 (GCVE-0-2026-66422)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:55 – Updated: 2026-08-26 02:30
VLAI
EPSS
VEX
Title
Apache Tomcat: Servlet role references can bypass declarative role constraints
Summary
Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole().
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The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.46 through 8.5.100, from 7.0.97 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
No CVSS data available.
CWE
- CWE-285 - Improper Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.57 (semver) Affected: 9.0.25 , ≤ 9.0.120 (semver) Affected: 8.5.46 , ≤ 8.5.100 (semver) Affected: 7.0.97 , ≤ 7.0.109 (semver) Unaffected: 0 , < 7.0.97 (semver) |
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CVE-2026-65927 (GCVE-0-2026-65927)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:53 – Updated: 2026-08-26 15:22
VLAI
EPSS
VEX
Title
Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control
Summary
Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule.
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Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:21 UTC
CWE
- CWE-193 - Off-by-one Error
Assigner
References
2 references
Impacted products
1 product
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Affected:
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CVE-2026-65905 (GCVE-0-2026-65905)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:51 – Updated: 2026-08-26 15:21
VLAI
EPSS
VEX
Title
Apache Tomcat: Limited replay attack possible with DIGEST authentication
Summary
Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before windowSize requests have been made, a client makes a DIGEST
authenticated request with a nonceCount on the upper boundary of the
replay window then that request is replayable once only while the
associated nonceCount remains within the replay window.
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Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:20 UTC
CWE
- CWE-294 - Authentication Bypass by Capture-replay
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache Tomcat |
Affected:
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CVE-2026-65637 (GCVE-0-2026-65637)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:49 – Updated: 2026-08-26 15:20
VLAI
EPSS
VEX
Title
Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - CVE-2026-32990 fix incomplete
Summary
Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990.
This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:20 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/djog953z1ohsyt25b… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.20 , ≤ 11.0.24
(semver)
Affected: 10.1.53 , ≤ 10.1.57 (semver) Affected: 9.0.115 , ≤ 9.0.120 (semver) |
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CVE-2026-65183 (GCVE-0-2026-65183)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:44 – Updated: 2026-08-26 15:19
VLAI
EPSS
VEX
Title
Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets
Summary
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets allows an unauthorised local user to access the unix domain socket.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.42 through 9.0.120.
Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:18 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
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Affected:
11.0.0-M1 , ≤ 11.0.24
(semver)
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CVE-2026-65182 (GCVE-0-2026-65182)
Vulnerability from cvelistv5 – Published: 2026-08-25 21:43 – Updated: 2026-08-26 15:18
VLAI
EPSS
VEX
Title
Apache Tomcat: Bypass longest prefix security constraint
Summary
Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:17 UTC
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.24
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CVE-2026-66299 (GCVE-0-2026-66299)
Vulnerability from cvelistv5 – Published: 2026-07-28 14:29 – Updated: 2026-07-28 17:40
VLAI
EPSS
VEX
Title
Apache Tomcat: DoS via WebSocket chat example
Summary
Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example.
This issue affects Apache Tomcat: from 11.0.0-M20 through 11.0.24, from 10.1.24 through 10.1.57, from 9.0.89 through 9.0.120. Users who have followed the security guidance to remove the examples web application are not affected by this issue.
Users are recommended to remove the examples web application or to upgrade to version 11.0.25, 10.1.58 or 9.0.121 (when released), which fix the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 17:39 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
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1 product
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Affected:
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Affected: 10.1.24 , ≤ 10.1.57 (semver) Affected: 9.0.89 , ≤ 9.0.120 (semver) Unaffected: 0 , ≤ 8.5.100 (semver) |
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CVE-2026-59084 (GCVE-0-2026-59084)
Vulnerability from cvelistv5 – Published: 2026-07-14 08:24 – Updated: 2026-07-14 13:51
VLAI
EPSS
VEX
Title
Apache Tomcat: EncryptInterceptor requirements not clearly documented
Summary
Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.13 through 9.0.119, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:51 UTC
CWE
- CWE-1059 - Insufficient Technical Documentation
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.23
(semver)
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CVE-2026-59083 (GCVE-0-2026-59083)
Vulnerability from cvelistv5 – Published: 2026-07-14 08:13 – Updated: 2026-07-14 12:19
VLAI
EPSS
VEX
Title
Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass
Summary
Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 12:19 UTC
CWE
- CWE-177 - Improper Handling of URL Encoding (Hex Encoding)
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.23
(semver)
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