{"action":"Upgrade github.com/sigstore/timestamp-authority/v2 to 2.1.0 or later.","affected":[{"fixed":"2.1.0","introduced":"0"}],"component":"github.com/sigstore/timestamp-authority/v2","cve_ids":["CVE-2026-49835"],"ecosystem":"Go","epss":0.00744,"exploited":false,"fixed_versions":["2.1.0"],"ghsa_id":"GHSA-9c54-x2g4-v92j","id":"tcs_01M5KGQ9F7WE09Y5HZ8ZZH8S6Q","modified_at":"2026-07-08T15:29:24.085126301Z","published_at":"2026-07-07T15:26:32Z","references":["https://osv.dev/vulnerability/GO-2026-5851","https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-9c54-x2g4-v92j"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-5851#Go/github.com/sigstore/timestamp-authority/v2","url":"https://osv.dev/vulnerability/GO-2026-5851"},{"source":"nvd","source_id":"CVE-2026-49835","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49835"}],"summary":"Sigstore Timestamp Authority has OOM due to unbounded metric label cardinality in github.com/sigstore/timestamp-authority"}