CVE-2026-42508

Published May 22, 2026

Last updated 7 days ago

Overview

Description
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
Source
security@golang.org
NVD status
Modified
Products
crypto

Risk scores

CVSS 3.1

Type
Secondary
Base score
9.1
Impact score
5.2
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity
CRITICAL

Weaknesses

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

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.