CVE-2025-3757 CRITICAL

CVE-2025-3757: Authentication Bypass in OpenPubKey

Vendor Opkssh
Product OPKSSH
Weakness CWE-305
Published May 13, 2025
Last update May 13, 2025

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

May 13, 2025 CVE published
May 13, 2025 Record updated