Vulnerability details
CVE-2026-53404
Apache Software Foundation Apache Tomcat
Apache Tomcat: Bad ornext processing in RewriteValve
CVSS 3.1
7.3High
Official description
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 scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.3High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 10.1.0-M1 ≤ v ≤ 10.1.55 | CVEProject cvelistV5 (CNA) |
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 ≤ v ≤ 11.0.22 | CVEProject cvelistV5 (CNA) |
| Apache Software Foundation | Apache Tomcat | 8.5.0 ≤ v ≤ 8.5.100 | CVEProject cvelistV5 (CNA) |
| Apache Software Foundation | Apache Tomcat | 9.0.0.M1 ≤ v ≤ 9.0.118 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-06-30
- Last updated
- 2026-06-30
- State
- Published
- Assigner (CNA)
- apache
Exploit prediction (EPSS)
0.69%
Probability of exploitation in 30 days
53.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-670Always-Incorrect Control Flow Implementation