Critical severity9.8NVD Advisory· Published May 12, 2026· Updated May 15, 2026
CVE-2026-43512
CVE-2026-43512
Description
DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication 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 before 7.0.0. Older unsupported versions any also be affect
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.openwall.com/lists/oss-security/2026/05/12/8nvdMailing ListThird Party Advisory
- lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73nvdMailing ListVendor Advisory
News mentions
3- ⚡ Weekly Recap: Linux Rootkit, macOS Crypto Stealer, WebSocket Skimmers and MoreThe Hacker News · May 11, 2026
- Weaver E-cology critical bug exploited in attacks since MarchBleepingComputer · May 4, 2026
- Siemens SIMATICCISA Alerts