CVE-2026-53404
Last modified
CVE-2026-53404 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 8.5.0, <= 8.5.100 |
| Apache | Tomcat | >= 9.0.0, < 9.0.119 |
| Apache | Tomcat | >= 10.1.0, < 10.1.56 |
| Apache | Tomcat | >= 11.0.0, < 11.0.23 |
References
- https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmzVendor Advisory, Mailing List
- http://www.openwall.com/lists/oss-security/2026/06/29/21Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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