{"action":"Upgrade github.com/sigstore/cosign/v2 to 2.6.2 or later.","affected":[{"fixed":"2.6.2","introduced":"0"}],"component":"github.com/sigstore/cosign/v2","cve_ids":["CVE-2026-22703"],"ecosystem":"Go","epss":0.00106,"exploited":false,"fixed_versions":["2.6.2"],"ghsa_id":"GHSA-whqx-f9j3-ch6m","id":"tcs_01M5KGD09XMBWM889G3J3Q8VSC","modified_at":"2026-08-24T10:25:51.746398338Z","published_at":"2026-01-13T16:42:40Z","references":["https://osv.dev/vulnerability/GO-2026-4309","https://github.com/sigstore/cosign/security/advisories/GHSA-whqx-f9j3-ch6m","https://nvd.nist.gov/vuln/detail/CVE-2026-22703","https://github.com/sigstore/cosign/commit/6832fba4928c1ad69400235bbc41212de5006176","https://github.com/sigstore/cosign/pull/4623"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4309#Go/github.com/sigstore/cosign/v2","url":"https://osv.dev/vulnerability/GO-2026-4309"}],"summary":"Cosign verification accepts any valid Rekor entry under certain conditions in github.com/sigstore/cosign"}