CVE-2026-53404

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.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz	Vendor Advisory Mailing List
http://www.openwall.com/lists/oss-security/2026/06/29/21	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::

History

02 Jul 2026, 19:22

Type	Values Removed	Values Added
First Time		Apache tomcat Apache
References	~~() https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz -~~	() https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz - Vendor Advisory, Mailing List
References	~~() http://www.openwall.com/lists/oss-security/2026/06/29/21 -~~	() http://www.openwall.com/lists/oss-security/2026/06/29/21 - Third Party Advisory
CPE		cpe:2.3:a:apache:tomcat::::::::

30 Jun 2026, 13:19

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.3

29 Jun 2026, 23:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/06/29/21 -

29 Jun 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 21:16

Updated : 2026-07-02 19:22

NVD link : CVE-2026-53404

Mitre link : CVE-2026-53404

CVE.ORG link : CVE-2026-53404

JSON object : View

Products Affected

apache

tomcat

CWE

CWE-670

Always-Incorrect Control Flow Implementation

{"id": "CVE-2026-53404", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53404", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-30T12:30:42.750259Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Tomcat", "versions": [{"status": "affected", "version": "11.0.0-M1", "versionType": "semver", "lessThanOrEqual": "11.0.22"}, {"status": "affected", "version": "10.1.0-M1", "versionType": "semver", "lessThanOrEqual": "10.1.55"}, {"status": "affected", "version": "9.0.0.M1", "versionType": "semver", "lessThanOrEqual": "9.0.118"}, {"status": "affected", "version": "8.5.0", "versionType": "semver", "lessThanOrEqual": "8.5.100"}, {"status": "unaffected", "version": "0", "lessThan": "8.0.0", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-29T21:16:44.527", "references": [{"url": "https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz", "tags": ["Vendor Advisory", "Mailing List"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/06/29/21", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-670"}]}], "descriptions": [{"lang": "en", "value": "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.\n\nThis 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.\n\nUsers are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue."}], "lastModified": "2026-07-02T19:22:23.483", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF43D0D7-FBF3-4D7A-84C4-47B65A75A524", "versionEndIncluding": "8.5.100", "versionStartIncluding": "8.5.0"}, {"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA5B1F1F-8593-47C6-B14E-8F60BE7E1199", "versionEndExcluding": "9.0.119", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4A8C20B4-DBE1-4890-AD5E-D5EABB6B739D", "versionEndExcluding": "10.1.56", "versionStartIncluding": "10.1.0"}, {"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C43AD2A0-8785-4A37-AAAE-347B1E0463F1", "versionEndExcluding": "11.0.23", "versionStartIncluding": "11.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}