Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 8.5.0, <= 8.5.100 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmzVendor AdvisoryMailing List
- http://www.openwall.com/lists/oss-security/2026/06/29/21Third Party Advisory
FAQ
What is CVE-2026-53404?
CVE-2026-53404 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 i...
How severe is CVE-2026-53404?
CVE-2026-53404 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53404?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat.