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606 vulnerabilities found for tomcat by apache
CERTFR-2026-AVI-0817
Vulnerability from certfr_avis - Published: 2026-06-30 - Updated: 2026-06-30
De multiples vulnérabilités ont été découvertes dans Apache Tomcat. Certaines d'entre elles permettent à un attaquant de provoquer une injection de code indirecte à distance (XSS), un contournement de la politique de sécurité et un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Tomcat versions 11.0.x ant\u00e9rieures \u00e0 11.0.23",
"product": {
"name": "Tomcat",
"vendor": {
"name": "Apache",
"scada": false
}
}
},
{
"description": "Tomcat versions 10.1.x ant\u00e9rieures \u00e0 10.1.56",
"product": {
"name": "Tomcat",
"vendor": {
"name": "Apache",
"scada": false
}
}
},
{
"description": "Tomcat versions 9.0.x ant\u00e9rieures \u00e0 9.0.119",
"product": {
"name": "Tomcat",
"vendor": {
"name": "Apache",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-55276",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-55276"
},
{
"name": "CVE-2026-50229",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-50229"
},
{
"name": "CVE-2026-55956",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-55956"
},
{
"name": "CVE-2026-55955",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-55955"
},
{
"name": "CVE-2026-53434",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53434"
},
{
"name": "CVE-2026-53404",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53404"
}
],
"initial_release_date": "2026-06-30T00:00:00",
"last_revision_date": "2026-06-30T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0817",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-06-30T00:00:00.000000"
}
],
"risks": [
{
"description": "Injection de code indirecte \u00e0 distance (XSS)"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Apache Tomcat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une injection de code indirecte \u00e0 distance (XSS), un contournement de la politique de s\u00e9curit\u00e9 et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Apache Tomcat",
"vendor_advisories": [
{
"published_at": "2026-06-23",
"title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_9.0.119",
"url": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.119"
},
{
"published_at": "2026-06-22",
"title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_10.1.56",
"url": "https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.56"
},
{
"published_at": "2026-06-22",
"title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_11.0.23",
"url": "https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.23"
}
]
}
CERTFR-2026-AVI-0577
Vulnerability from certfr_avis - Published: 2026-05-13 - Updated: 2026-05-13
De multiples vulnérabilités ont été découvertes dans Apache Tomcat. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, un contournement de la politique de sécurité et un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Tomcat versions 9.0.x ant\u00e9rieures \u00e0 9.0.118",
"product": {
"name": "Tomcat",
"vendor": {
"name": "Apache",
"scada": false
}
}
},
{
"description": "Tomcat versions 10.1.x ant\u00e9rieures \u00e0 10.1.55",
"product": {
"name": "Tomcat",
"vendor": {
"name": "Apache",
"scada": false
}
}
},
{
"description": "Tomcat versions 11.0.x ant\u00e9rieures \u00e0 11.0.22",
"product": {
"name": "Tomcat",
"vendor": {
"name": "Apache",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-43515",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43515"
},
{
"name": "CVE-2026-41284",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-41284"
},
{
"name": "CVE-2026-43514",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43514"
},
{
"name": "CVE-2026-43513",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43513"
},
{
"name": "CVE-2026-43512",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43512"
},
{
"name": "CVE-2026-42498",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42498"
},
{
"name": "CVE-2026-41293",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-41293"
}
],
"initial_release_date": "2026-05-13T00:00:00",
"last_revision_date": "2026-05-13T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0577",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-05-13T00:00:00.000000"
}
],
"risks": [
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Apache Tomcat. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un contournement de la politique de s\u00e9curit\u00e9 et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Apache Tomcat",
"vendor_advisories": [
{
"published_at": "2026-05-10",
"title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_9.0.118",
"url": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.118"
},
{
"published_at": "2026-05-11",
"title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_10.1.55",
"url": "https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.55"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_11.0.22",
"url": "https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.22"
}
]
}
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 (v2.0.3)
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
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.4
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.36 (semver) Affected: 9.0.0.M1 , ≤ 9.0.100 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver) |
Credits
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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 (v2.0.3)
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
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.22
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.55 (semver) Affected: 9.0.0.M1 , ≤ 9.0.118 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (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.
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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 (v2.0.3)
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… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.22
(semver)
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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.
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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 (v2.0.3)
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
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.22
(semver)
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CVE-2026-53434 (GCVE-0-2026-53434)
Vulnerability from nvd – Published: 2026-06-29 20:41 – Updated: 2026-06-30 12:28
VLAI
EPSS
VEX
Title
Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector
Summary
Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118.
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 (v2.0.3)
CWE
- CWE-390 - Detection of Error Condition Without Action
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/x510lbq0sfrd1qyo7… | 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 , ≤ 11.0.22
(semver)
Affected: 10.1.0-M7 , ≤ 10.1.55 (semver) Affected: 9.0.83 , ≤ 9.0.118 (semver) Unaffected: 0 , ≤ 9.0.82 (semver) |
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CVE-2026-53404 (GCVE-0-2026-53404)
Vulnerability from nvd – Published: 2026-06-29 20:39 – Updated: 2026-06-30 12:34
VLAI
EPSS
VEX
Title
Apache Tomcat: Bad ornext processing in RewriteValve
Summary
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped.
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Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-670 - Always-Incorrect Control Flow Implementation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/rdhpghgfskrdmw9hq… | 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-2026-50229 (GCVE-0-2026-50229)
Vulnerability from nvd – Published: 2026-06-29 20:36 – Updated: 2026-06-30 12:50
VLAI
EPSS
VEX
Title
Apache Tomcat: XSS in number guess example
Summary
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat.
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
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/wlt2no8bw45zl1w8b… | 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-2026-43515 (GCVE-0-2026-43515)
Vulnerability from nvd – Published: 2026-05-12 15:33 – Updated: 2026-06-04 09:57
VLAI
EPSS
VEX
Title
Apache Tomcat: Security constraints not correctly applied
Summary
Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat.
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Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/746nxfxod0wsocxtm… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
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1 product
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Affected:
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CVE-2026-43514 (GCVE-0-2026-43514)
Vulnerability from nvd – Published: 2026-05-12 15:32 – Updated: 2026-05-13 17:22
VLAI
EPSS
VEX
Title
Apache Tomcat: AJP secret compared in non-constant time
Summary
Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Older unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-208 - Observable Timing Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2k654v5cq123npfsd… | 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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(semver)
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CVE-2026-43513 (GCVE-0-2026-43513)
Vulnerability from nvd – Published: 2026-05-12 15:26 – Updated: 2026-05-14 19:53
VLAI
EPSS
VEX
Title
Apache Tomcat: LockOutRealm treats user names as case-sensitive
Summary
Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat.
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Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.21
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CVE-2026-43512 (GCVE-0-2026-43512)
Vulnerability from nvd – Published: 2026-05-12 15:24 – Updated: 2026-05-14 19:53
VLAI
EPSS
VEX
Title
Apache Tomcat: Digest authenticator will authenticate any unknown user
Summary
DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat.
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Older unsupported versions any also be affect
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Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-592 - DEPRECATED: Authentication Bypass Issues
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 , ≤ 11.0.21
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CVE-2026-42498 (GCVE-0-2026-42498)
Vulnerability from nvd – Published: 2026-05-12 15:17 – Updated: 2026-05-13 15:59
VLAI
EPSS
VEX
Title
Apache Tomcat: WebSocket authentication header exposure
Summary
Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of HTTP Authentication Header to unexpected hosts
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/n61zwf75jrv09rz90… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache Tomcat |
Affected:
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CVE-2026-41293 (GCVE-0-2026-41293)
Vulnerability from nvd – Published: 2026-05-12 15:19 – Updated: 2026-05-14 19:54
VLAI
EPSS
VEX
Title
Apache Tomcat: HTTP/2 request headers not validated
Summary
Improper Input Validation vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27.
Older, end of support versions may also be affected.
Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/qwg0q16z7xkb2qrr8… | 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 , ≤ 11.0.21
(semver)
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CVE-2026-41284 (GCVE-0-2026-41284)
Vulnerability from nvd – Published: 2026-05-12 15:14 – Updated: 2026-05-13 15:57
VLAI
EPSS
VEX
Title
Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
Summary
Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.
Older, unsupported versions may also be affected.
Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2nvqjr7ovjmvx2vbh… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
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Affected:
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CVE-2026-55957 (GCVE-0-2026-55957)
Vulnerability from cvelistv5 – 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 (v2.0.3)
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 cvelistv5 – 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 (v2.0.3)
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:
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CVE-2026-55955 (GCVE-0-2026-55955)
Vulnerability from cvelistv5 – 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 (v2.0.3)
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… |
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-2026-55276 (GCVE-0-2026-55276)
Vulnerability from cvelistv5 – 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 (v2.0.3)
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-2026-53434 (GCVE-0-2026-53434)
Vulnerability from cvelistv5 – Published: 2026-06-29 20:41 – Updated: 2026-06-30 12:28
VLAI
EPSS
VEX
Title
Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector
Summary
Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118.
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 (v2.0.3)
CWE
- CWE-390 - Detection of Error Condition Without Action
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/x510lbq0sfrd1qyo7… | 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)
Affected: 10.1.0-M7 , ≤ 10.1.55 (semver) Affected: 9.0.83 , ≤ 9.0.118 (semver) Unaffected: 0 , ≤ 9.0.82 (semver) |
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CVE-2026-53404 (GCVE-0-2026-53404)
Vulnerability from cvelistv5 – Published: 2026-06-29 20:39 – Updated: 2026-06-30 12:34
VLAI
EPSS
VEX
Title
Apache Tomcat: Bad ornext processing in RewriteValve
Summary
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped.
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 fix the issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-670 - Always-Incorrect Control Flow Implementation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/rdhpghgfskrdmw9hq… | 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-2026-50229 (GCVE-0-2026-50229)
Vulnerability from cvelistv5 – Published: 2026-06-29 20:36 – Updated: 2026-06-30 12:50
VLAI
EPSS
VEX
Title
Apache Tomcat: XSS in number guess example
Summary
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat.
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Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/wlt2no8bw45zl1w8b… | 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-2026-43515 (GCVE-0-2026-43515)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:33 – Updated: 2026-06-04 09:57
VLAI
EPSS
VEX
Title
Apache Tomcat: Security constraints not correctly applied
Summary
Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/746nxfxod0wsocxtm… | 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-2026-43514 (GCVE-0-2026-43514)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:32 – Updated: 2026-05-13 17:22
VLAI
EPSS
VEX
Title
Apache Tomcat: AJP secret compared in non-constant time
Summary
Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Older unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-208 - Observable Timing Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2k654v5cq123npfsd… | 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 , ≤ 11.0.21
(semver)
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CVE-2026-43513 (GCVE-0-2026-43513)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:26 – Updated: 2026-05-14 19:53
VLAI
EPSS
VEX
Title
Apache Tomcat: LockOutRealm treats user names as case-sensitive
Summary
Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat.
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Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.21
(semver)
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CVE-2026-43512 (GCVE-0-2026-43512)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:24 – Updated: 2026-05-14 19:53
VLAI
EPSS
VEX
Title
Apache Tomcat: Digest authenticator will authenticate any unknown user
Summary
DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0.
Older unsupported versions any also be affect
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-592 - DEPRECATED: Authentication Bypass Issues
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.21
(semver)
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CVE-2026-41293 (GCVE-0-2026-41293)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:19 – Updated: 2026-05-14 19:54
VLAI
EPSS
VEX
Title
Apache Tomcat: HTTP/2 request headers not validated
Summary
Improper Input Validation vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27.
Older, end of support versions may also be affected.
Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/qwg0q16z7xkb2qrr8… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
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CVE-2026-42498 (GCVE-0-2026-42498)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:17 – Updated: 2026-05-13 15:59
VLAI
EPSS
VEX
Title
Apache Tomcat: WebSocket authentication header exposure
Summary
Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of HTTP Authentication Header to unexpected hosts
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/n61zwf75jrv09rz90… | 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 , ≤ 11.0.21
(semver)
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CVE-2026-41284 (GCVE-0-2026-41284)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:14 – Updated: 2026-05-13 15:57
VLAI
EPSS
VEX
Title
Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
Summary
Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.
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Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2nvqjr7ovjmvx2vbh… | 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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