# CVE-2026-43512

## Summary

- **CVE ID:** CVE-2026-43512
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-592
- **Published:** May 12, 2026
- **Last Modified:** May 14, 2026

## 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

- Apache Software Foundation — Apache Tomcat (11.0.0-M1)
- Apache Software Foundation — Apache Tomcat (10.1.0-M1)
- Apache Software Foundation — Apache Tomcat (9.0.0.M1)
- Apache Software Foundation — Apache Tomcat (8.5.0)
- Apache Software Foundation — Apache Tomcat (7.0.0)
- Apache Software Foundation — Apache Tomcat (0)

## References

- [CNA](https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73)
- [CVE](http://www.openwall.com/lists/oss-security/2026/05/12/8)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.23%
- **EPSS Percentile:** 67.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._