Description
Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Metrics
CVSS 3.1 3.7/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Tomcat | >= 11.0.0-M1, <= 11.0.21; >= 10.1.0-M1, <= 10.1.54; >= 9.0.0.M1, <= 9.0.117; >= 8.5.0, <= 8.5.100; >= 7.0.0, <= 7.0.109 |
References
- https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1mMailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/12/10Mailing List, Third Party Advisory
Timeline
- Published
- May 12, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed