cve.bz

CVE-2025-3757

9.3 criticalEPSS 0.4%

Critical (9.3) in openpubkey openpubkey. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in github.com/openpubkey/openpubkey 0.10.0.

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

Severity

CVSS 4.0

9.3 critical
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

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWEs
CWE-347, CWE-305
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-537f-gxgm-3jjqGogithub.com/openpubkey/openpubkey<0.10.00.10.0
GO-2025-3679Gogithub.com/openpubkey/openpubkey<0.10.00.10.0

References

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