CVE-2025-4658

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/13/2025

Last Modified5/22/2025

Sourcenvd

Honeypot Sightings0

Affected Products

openpubkey:openpubkeyopenpubkey:opkssh

Weaknesses (CWE)

CWE-305CWE-347

References

https://github.com/openpubkey/opkssh(cna@cloudflare.com)

IOC Correlations

No correlations recorded

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