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CVE-2026-42508

Medium

Elevated severity or exploit probability.

CVSS base
9.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
7.3%
94.1th percentile
CISA KEV
Not listed
Weakness / dates
CWE-295
Published 2026-05-22 · modified 2026-09-15

CVSS breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack VectorNNetwork
Attack ComplexityLLow
Privileges RequiredNNone
User InteractionNNone
ScopeUUnchanged
ConfidentialityHHigh
IntegrityHHigh
AvailabilityNNone

Timeline

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.

Affected

golang

References

Official: NVD · CVE.org