CVE-2025-3757
OpenPubkey Vulnerable to Authentication Bypass in github.com/openpubkey/openpubkey
9.8
CRITICAL
CVSS 3.1
EPSS 0.22%
Description
Versions of OpenPubkey library prior to 0.10.0 contained a vulnerability that would allow a specially crafted JWS to bypass signature verification.
How to fix CVE-2025-3757
To remediate CVE-2025-3757, upgrade the affected package to a fixed version below.
- Debian/golang-github-openpubkey-openpubkey—no fix listed
- —upgrade to 0.10.0 or later
- —upgrade to 0.10.0 or later
Is CVE-2025-3757 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 0.10.0
- from 0, < 0.10.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |