CVE-2025-3757

Authentication Bypass in OpenPubKey

Description

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

Categories

9.3
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.05%
Affected: OPKSSH OPKSSH
Published at:
Updated at:

References

Link Tags
https://github.com/openpubkey/openpubkey product

Frequently Asked Questions

What is the severity of CVE-2025-3757?
CVE-2025-3757 has been scored as a critical severity vulnerability.
How to fix CVE-2025-3757?
To fix CVE-2025-3757, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3757 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-3757 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3757?
CVE-2025-3757 affects OPKSSH OPKSSH.
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