{"action":"Upgrade cosign to 2.6.3-1 or later.","affected":[{"fixed":"2.6.3-1","introduced":"0"}],"component":"cosign","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.6.3-1"],"id":"tcs_01M5NRWFF447Z2ZPHCBZF0VDPV","modified_at":"2026-10-01T03:03:11.171464618Z","published_at":"2026-04-07T20:16:33.140Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-39395","https://security-tracker.debian.org/tracker/CVE-2026-39395"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-39395#Debian:14/cosign","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-39395"}],"summary":"Cosign provides code signing and transparency for containers and binaries. Prior to 3.0.6 and 2.6.3, cosign verify-blob-attestation may erroneously report a \"Verified OK\" result for attestations with"}