CVE-2025-3757

Authentication Bypass in OpenPubKey

CVSS 9.3 CRITICALEPSS 0.4%CWE-305

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

13 May 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Versions of OpenPubkey library prior to 0.10.0 contained a vulnerability that would allow a specially crafted JWS to bypass signature verification.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/AU:Y

Affected products

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References