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THREATINT
PUBLISHED

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.

Reserved 2025-04-17 | Published 2025-05-13 | Updated 2025-05-13 | Assigner cloudflare


CRITICAL: 9.3CVSS: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

Problem types

CWE-305: Authentication Bypass by Primary Weakness

Product status

Default status
unaffected

Openpubkey
affected

Credits

Ethan Heilman finder

References

github.com/openpubkey/openpubkey

cve.org (CVE-2025-3757)

nvd.nist.gov (CVE-2025-3757)

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