CVE-2026-42010: Gnutls: gnutls: authentication bypass via nul character in username

Overview

Severity
High (CVSS 7.1)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-May
Released
2026-05-15
EPSS Score
0.15% (percentile: 35.9%)

Affected Products (1)

Open Source Software

  • azl3 gnutls 3.8.3-8 on Azure Linux 3.0

Revision History

  • 2026-05-15: Information published.