CVEvulnerability

CVE-2025-4658

9.3 CRITICAL Published 2025-05-13 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-05-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 4.0 ([email protected])
9.3 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-305, CWE-347

Description

Versions of OpenPubkey library prior to 0.10.0 contained a vulnerability that would allow a specially crafted JWS to bypass signature verification. As OPKSSH depends on the OpenPubkey library for authentication, this vulnerability in OpenPubkey also applies to OPKSSH versions prior to 0.5.0 and would allow an attacker to bypass OPKSSH authentication.

Affected configurations

• openpubkey openpubkey (< 0.10.0) • openpubkey opkssh (< 0.5.0)

Related

Weakness · CWE (2)

  • CWE-305 Authentication Bypass by Primary Weakness weakness
  • CWE-347 Improper Verification of Cryptographic Signature weakness

References