Apache Tomcat: Digest authenticator will authenticate any unknown user
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.8epss 1.2%
from disclosure to weapon27 days
Published on NVDMay 12
1st PoC+27d
exploitation probability
1.2%top 34% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Apache Software Foundation · Apache Tomcatpublic PoCs found — 1
githubgithub.com/covepseng/cve-2026-43512-poc★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.