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CVE-2026-39835

nvd nist
Published: May 22, 2026Modified: Jul 24, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary)

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.

Affected (1)

Products: Golang: Crypto
Golang
1 product
Crypto
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Crypto
Before 0.52.0

Related CWEs

CWE-295
Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (41)

Source: security@golang.org
Issue Tracking
Source: security@golang.org
Issue Tracking
Source: security@golang.org
Mailing List
Source: security@golang.org
Vendor Advisory
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Timeline

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