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Title
Apache Tomcat EncryptInterceptor绕过漏洞
Description
Apache Tomcat是一款开源的Java Servlet容器和Web服务器。
Apache Tomcat存在敏感数据缺少加密漏洞。该漏洞源于针对CVE-2026-29146的修复允许绕过EncryptInterceptor，攻击者可利用该漏洞导致敏感数据传输时缺少加密保护。
Severity
中
Patch Name
Apache Tomcat EncryptInterceptor绕过漏洞的补丁
Patch Description
Apache Tomcat是一款开源的Java Servlet容器和Web服务器。
Apache Tomcat存在敏感数据缺少加密漏洞。该漏洞源于针对CVE-2026-29146的修复允许绕过EncryptInterceptor，攻击者可利用该漏洞导致敏感数据传输时缺少加密保护。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
厂商已发布了漏洞修复程序，请及时关注更新： https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly
Reference
https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly
Impacted products
| Name | ['Apache Tomcat 11.0.20', 'Apache Tomcat 10.1.53', 'Apache Tomcat 9.0.116'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2026-34486",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-34486"
}
},
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"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2026-31827",
"openTime": "2026-08-12",
"patchDescription": "Apache Tomcat\u662f\u4e00\u6b3e\u5f00\u6e90\u7684Java Servlet\u5bb9\u5668\u548cWeb\u670d\u52a1\u5668\u3002\r\n\r\nApache Tomcat\u5b58\u5728\u654f\u611f\u6570\u636e\u7f3a\u5c11\u52a0\u5bc6\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9488\u5bf9CVE-2026-29146\u7684\u4fee\u590d\u5141\u8bb8\u7ed5\u8fc7EncryptInterceptor\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u654f\u611f\u6570\u636e\u4f20\u8f93\u65f6\u7f3a\u5c11\u52a0\u5bc6\u4fdd\u62a4\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "Apache Tomcat EncryptInterceptor\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
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"serverity": "\u4e2d",
"submitTime": "2026-04-10",
"title": "Apache Tomcat EncryptInterceptor\u7ed5\u8fc7\u6f0f\u6d1e"
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CVE-2026-34486 (GCVE-0-2026-34486)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:35 – Updated: 2026-09-21 19:43
VLAI
EPSS
VEX
Title
Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
Summary
Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.
This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
Severity
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 03:55 UTC
CWE
Assigner
References
21 references
Impacted products
22 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.20
(semver)
Affected: 10.1.53 (semver) Affected: 9.0.116 (semver) |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
1:10.1.49-3.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
1:9.0.117-2.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
1:10.1.36-2.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
1:9.0.87-6.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:7.0.76-18.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
1:9.0.87-2.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
1:9.0.87-2.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
1:9.0.87-2.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
1:9.0.117-2.el9_8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
1:9.0.87-2.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
1:9.0.87-2.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
1:9.0.87-4.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat JBoss Web Server 7.0.0 |
cpe:/a:redhat:jboss_enterprise_web_server:7.0
|
|
| Red Hat | Red Hat JBoss Web Server 7.0 on RHEL 10 |
Unaffected:
0:11.0.21-5.redhat_00004.1.el10jws , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_web_server:7.0::el10 |
|
| Red Hat | Red Hat JBoss Web Server 7.0 on RHEL 8 |
Unaffected:
0:11.0.21-5.redhat_00004.1.el8jws , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_web_server:7.0::el8 |
|
| Red Hat | Red Hat JBoss Web Server 7.0 on RHEL 9 |
Unaffected:
0:11.0.21-5.redhat_00004.1.el9jws , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_web_server:7.0::el9 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat JBoss Web Server 5 |
cpe:/a:redhat:jboss_enterprise_web_server:5
|
|
| Red Hat | Red Hat JBoss Web Server 6 |
cpe:/a:redhat:jboss_enterprise_web_server:6
|
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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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