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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": {
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"scada": false
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}
},
{
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"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"
}
]
}
CVE-2026-50229 (GCVE-0-2026-50229)
Vulnerability from cvelistv5 – Published: 2026-06-29 20:36 – Updated: 2026-06-30 12:50
VLAI
EPSS
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
| 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) |
Credits
Erichen, Institute of Computing Technology, Chinese Academy of Sciences
Yashar Shahinzadeh
Amirmohammad Safari
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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
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
| 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 cvelistv5 – Published: 2026-06-29 20:41 – Updated: 2026-06-30 12:28
VLAI
EPSS
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-2026-55276 (GCVE-0-2026-55276)
Vulnerability from cvelistv5 – Published: 2026-06-29 20:42 – Updated: 2026-06-30 13:59
VLAI
EPSS
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:
11.0.0-M1 , ≤ 11.0.22
(semver)
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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
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
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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
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)
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Credits
j0hndo (dohyun4466@gmail.com)
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"dateUpdated": "2026-06-30T13:25:31.049Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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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