CVE-2026-33810: Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509

Overview

Severity
Medium (CVSS 5.9)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-11
Last Updated
2026-04-14
EPSS Score
0.34% (percentile: 27.4%)

Affected Products (2)

Open Source Software

  • azl3 golang 1.25.8-1 on Azure Linux 3.0
  • azl3 golang 1.26.1-1 on Azure Linux 3.0

Revision History

  • 2026-04-11: Information published.
  • 2026-04-14: Information published.