{"cve":"CVE-2025-4658","nvd":{"published":"2025-05-13T17:16:04.953","modified":"2026-06-17T09:33:43.513","status":"Analyzed","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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L","score":9.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-347","CWE-305"],"references":["https://github.com/openpubkey/opkssh"],"products":["openpubkey:openpubkey","openpubkey:opkssh"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2025-4658","score":0.0034,"percentile":0.27583,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-56wx-66px-9j66","url":"https://osv.dev/vulnerability/GHSA-56wx-66px-9j66","summary":"OPKSSH Vulnerable to Authentication Bypass ","modified":"2025-05-15T20:41:49.515714Z","packages":[{"ecosystem":"Go","name":"github.com/openpubkey/opkssh","purl":"pkg:golang/github.com/openpubkey/opkssh","ranges":["<0.5.0"],"fixed":["0.5.0"]}]},{"id":"GO-2025-3680","url":"https://osv.dev/vulnerability/GO-2025-3680","summary":"OPKSSH Vulnerable to Authentication Bypass in github.com/openpubkey/opkssh","modified":"2026-03-03T04:56:33.643285Z","packages":[{"ecosystem":"Go","name":"github.com/openpubkey/opkssh","purl":"pkg:golang/github.com/openpubkey/opkssh","ranges":["<0.5.0"],"fixed":["0.5.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}