VULNERABILITY INTELLIGENCE

CVE-2026-39835

CVSS score5.3 MEDIUM
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-05-22
Last modified2026-09-18
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.

Weakness classification

  • nvd@nist.gov: CWE-295
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-476

Primary references