Go Cert Policy Validation Bypass via VerifyOptions with ExtKeyUsageAny
CVE-2025-22874 Published on June 11, 2025

Usage of ExtKeyUsageAny disables policy validation in crypto/x509
Calling Verify with a VerifyOptions.KeyUsages that contains ExtKeyUsageAny unintentionally disabledpolicy validation. This only affected certificate chains which contain policy graphs, which are rather uncommon.

NVD

Vulnerability Analysis

CVE-2025-22874 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Products Associated with CVE-2025-22874

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GoLang Go
 

Affected Versions

Go standard library crypto/x509:

Exploit Probability

EPSS
0.02%
Percentile
5.91%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.