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RLSA-2026:68677 (CVE-2024-52316)
Vulnerability from osv_rocky – Published: 2026-09-19 06:01 – Updated: 2026-09-25 12:14 – Source website
VLAI
Summary
Important: tomcat security update
Details
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.
Security Fix(es):
-
tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)
-
tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)
-
tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)
-
tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)
-
tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)
-
tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration (CVE-2026-55957)
-
tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)
-
tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Severity
7.5 (High)
References
{
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"name": "tomcat",
"purl": "pkg:rpm/rocky-linux/tomcat?distro=rocky-linux-8-x86-64\u0026epoch=1"
},
"ranges": [
{
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},
"events": [
{
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},
{
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}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [
{
"name": "Rocky Enterprise Software Foundation"
},
{
"name": "Red Hat"
}
],
"database_specific": {
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:68677"
},
"details": "Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.\n\nSecurity Fix(es):\n\n* tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)\n\n* tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)\n\n* tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)\n\n* tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)\n\n* tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)\n\n* tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration (CVE-2026-55957)\n\n* tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)\n\n* tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"id": "RLSA-2026:68677",
"modified": "2026-09-25T12:14:03.654332Z",
"published": "2026-09-19T06:01:33.521772Z",
"references": [
{
"type": "ADVISORY",
"url": "https://errata.rockylinux.org/RLSA-2026:68677"
},
{
"type": "REPORT",
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"schema_version": "1.7.0",
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"upstream": [
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]
}
CVE-2024-52316 (GCVE-0-2024-52316)
Vulnerability from cvelistv5 – Published: 2024-11-18 11:32 – Updated: 2025-11-04 15:59
VLAI
EPSS
VEX
Title
Apache Tomcat: Authentication bypass when using Jakarta Authentication API
Summary
Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta Authentication (formerly JASPIC) ServerAuthContext component which may throw an exception during the authentication process without explicitly setting an HTTP status to indicate failure, the authentication may not fail, allowing the user to bypass the authentication process. There are no known Jakarta Authentication components that behave in this way.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M26, from 10.1.0-M1 through 10.1.30, from 9.0.0-M1 through 9.0.95.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 though 8.5.100. Other EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.0, 10.1.31 or 9.0.96, 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 2024-11-18 14:50 UTC
CWE
- CWE-391 - Unchecked Error Condition
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.0-M26
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.30 (semver) Affected: 9.0.0-M1 , ≤ 9.0.95 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Unknown: 10.0.0-M1 , ≤ 10.0.27 (semver) |
|
| apache | tomcat |
Affected:
9.0.0-M1 , ≤ 9.0.95
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.30 (semver) Affected: 11.0.0-M1 , ≤ 11.0.0-M26 (semver) cpe:2.3:a:apache:tomcat:-:*:*:*:*:*:*:* |
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CVE-2024-54677 (GCVE-0-2024-54677)
Vulnerability from cvelistv5 – Published: 2024-12-17 12:35 – Updated: 2025-11-03 19:32
VLAI
EPSS
VEX
Title
Apache Tomcat: DoS in examples web application
Summary
Uncontrolled Resource Consumption vulnerability in the examples web application provided with Apache Tomcat leads to denial of service.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.9.97.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions
may also be affected.
Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-17 16:41 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/tdtbbxpg5trdwc2wn… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2024/12/17/5 | |
| http://www.openwall.com/lists/oss-security/2024/12/17/6 | |
| http://www.openwall.com/lists/oss-security/2024/12/18/1 | |
| https://security.netapp.com/advisory/ntap-2025013… | |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.1
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.33 (semver) Affected: 9.0.0.M1 , ≤ 9.0.97 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Unknown: 3 , < 8.5.0 (semver) Unknown: 10.0.0-M1 , ≤ 10.0.27 (semver) |
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CVE-2025-46701 (GCVE-0-2025-46701)
Vulnerability from cvelistv5 – Published: 2025-05-29 19:06 – Updated: 2025-11-03 20:04
VLAI
EPSS
VEX
Title
Apache Tomcat: Security constraint bypass for CGI scripts
Summary
Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCI servlet allows security constraint bypass of security constraints that apply to the pathInfo component of a URI mapped to the CGI servlet.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.6, from 10.1.0-M1 through 10.1.40, from 9.0.0.M1 through 9.0.104.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions
may also be affected.
Users are recommended to upgrade to version 11.0.7, 10.1.41 or 9.0.105, which fixes the issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-30 14:58 UTC
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
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11.0.0-M1 , ≤ 11.0.6
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CVE-2025-55668 (GCVE-0-2025-55668)
Vulnerability from cvelistv5 – Published: 2025-08-13 13:21 – Updated: 2025-11-04 21:13
VLAI
EPSS
VEX
Title
Apache Tomcat: session fixation via rewrite valve
Summary
Session Fixation vulnerability in Apache Tomcat via rewrite valve.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.
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Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-13 13:38 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.7
(semver)
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CVE-2025-55754 (GCVE-0-2025-55754)
Vulnerability from cvelistv5 – Published: 2025-10-27 17:29 – Updated: 2026-05-12 12:08
VLAI
EPSS
VEX
Title
Apache Tomcat: console manipulation via escape sequences in log messages
Summary
Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat.
Tomcat did not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and attempt to trick an administrator into running an attacker controlled command. While no attack vector was found, it may have been possible to mount this attack on other operating systems.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through 9.0.108.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.60 though 8.5.100. Other, older, EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-09 04:55 UTC
CWE
- CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
Assigner
References
3 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.10
(semver)
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|
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
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CVE-2025-61795 (GCVE-0-2025-61795)
Vulnerability from cvelistv5 – Published: 2025-10-27 17:30 – Updated: 2026-05-12 12:08
VLAI
EPSS
VEX
Title
Apache Tomcat: Delayed cleaning of multi-part upload temporary files may lead to DoS
Summary
Improper Resource Shutdown or Release vulnerability in Apache Tomcat.
If an error occurred (including exceeding limits) during the processing of a multipart upload, temporary copies of the uploaded parts written to disc were not cleaned up immediately but left for the garbage collection process to delete. Depending on JVM settings, application memory usage and application load, it was possible that space for the temporary copies of uploaded parts would be filled faster than GC cleared it, leading to a DoS.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.11, from 10.1.0-M1 through 10.1.46, from 9.0.0.M1 through 9.0.109.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.12 or later, 10.1.47 or later or 9.0.110 or later which fixes the issue.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-27 18:48 UTC
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
3 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.11
(semver)
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|
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
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CVE-2025-66614 (GCVE-0-2025-66614)
Vulnerability from cvelistv5 – Published: 2026-02-17 18:48 – Updated: 2026-03-24 09:46
VLAI
EPSS
VEX
Title
Apache Tomcat: Client certificate verification bypass due to virtual host mapping
Summary
Improper Input Validation vulnerability.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 through 8.5.100. Older EOL versions are not affected.
Tomcat did not validate that the host name provided via the SNI
extension was the same as the host name provided in the HTTP host header
field. If Tomcat was configured with more than one virtual host and the
TLS configuration for one of those hosts did not require client
certificate authentication but another one did, it was possible for a
client to bypass the client certificate authentication by sending
different host names in the SNI extension and the HTTP host header field.
The vulnerability only applies if client certificate authentication is
only enforced at the Connector. It does not apply if client certificate
authentication is enforced at the web application.
Users are recommended to upgrade to version 11.0.15 or later, 10.1.50 or later or 9.0.113 or later, which fix the issue.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-21 21:17 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/vw6lxtlh2qbqwpb61… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.14
(semver)
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CVE-2026-24733 (GCVE-0-2026-24733)
Vulnerability from cvelistv5 – Published: 2026-02-17 18:50 – Updated: 2026-03-11 15:19
VLAI
EPSS
VEX
Title
Apache Tomcat: Security constraint bypass with HTTP/0.9
Summary
Improper Input Validation vulnerability in Apache Tomcat.
Tomcat did not limit HTTP/0.9 requests to the GET method. If a security
constraint was configured to allow HEAD requests to a URI but deny GET
requests, the user could bypass that constraint on GET requests by
sending a (specification invalid) HEAD request using HTTP/0.9.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0.M1 through 9.0.112.
Older, EOL versions are also affected.
Users are recommended to upgrade to version 11.0.15 or later, 10.1.50 or later or 9.0.113 or later, 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 2026-02-21 21:16 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
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Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache Tomcat |
Affected:
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(semver)
Affected: 10.1.0-M1 , ≤ 10.1.49 (semver) Affected: 9.0.0.M1 , ≤ 9.0.112 (semver) Affected: 0 , ≤ 8.5.100 (semver) |
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CVE-2026-24880 (GCVE-0-2026-24880)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:12 – Updated: 2026-04-10 18:33
VLAI
EPSS
VEX
Title
Apache Tomcat: Request smuggling via invalid chunk extension
Summary
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, 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 11.0.20, 10.1.52 or 9.0.116, 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 2026-04-10 18:33 UTC
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2c682qnlg2tv4o5kn… | 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 , ≤ 11.0.18
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.52 (semver) Affected: 9.0.0.M1 , ≤ 9.0.115 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver) Unknown: 8.0.0-RC1 , ≤ 8.0.53 (semver) |
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CVE-2026-25854 (GCVE-0-2026-25854)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:13 – Updated: 2026-04-10 18:22
VLAI
EPSS
VEX
Title
Apache Tomcat: Occasionally open redirect
Summary
Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100.
Other, unsupported versions may also be affected
Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-10 18:21 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/ghct3b6o74bp2vm7q… | 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 , ≤ 11.0.18
(semver)
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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