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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 9.0.70-2 |
| sid | Fixed | 11.0.22-1 |
| forky | Fixed | 9.0.70-2 |
| bullseye | Fixed | 9.0.70-2 |
| bookworm | Fixed | 9.0.70-2 |
Package impact
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apache | tomcat | {"startIncluding":"7.0.0","endIncluding":"7.0.109"} | |
References
- https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73
- http://www.openwall.com/lists/oss-security/2026/05/12/8
- https://nvd.nist.gov/vuln/detail/CVE-2026-43512
- https://github.com/apache/tomcat/commit/3d4d3fae07a6cd9c2eb193c5491001740ec64448
- https://github.com/apache/tomcat/commit/6565a6cb6499e56fe2f34457cec99f9d1c4f39e9
- https://github.com/apache/tomcat/commit/a99c355e8199adbfd67c9a1fffbd85b810b196cd
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- https://www.suse.com/security/cve/CVE-2026-43512.html
- https://security-tracker.debian.org/tracker/CVE-2026-43512
- https://github.com/advisories/GHSA-h6fc-48rj-7qqh
CWEs
CWE-592
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.