CVE-2025-3757CRITICAL 9.8EPSS p27.2%

CVE-2025-3757CVE-2025-3757

Description

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

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.35% probability of exploitation · percentile 27.2% · 2026-06-19T12:03:05Z
Published2025-05-13
Last modified2025-05-23

Underlying weaknesses· 2

CWE-305CWE-347

References

  1. https://github.com/openpubkey/openpubkey

2

TypeTargetConfidenceTier
WeaknessAuthentication Bypass by Primary Weaknesscwe-3050%live
WeaknessImproper Verification of Cryptographic Signaturecwe-3470%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.