{"action":"Upgrade sigstore to 0.2.3 or later.","affected":[{"fixed":"0.2.3","introduced":"0"}],"component":"sigstore","cve_ids":["CVE-2026-31830"],"ecosystem":"RubyGems","epss":0.00278,"exploited":false,"fixed_versions":["0.2.3"],"ghsa_id":"GHSA-mhg6-2q2v-9h2c","id":"tcs_01M5KEM7JT9YD2SWDDWQHDAMQ5","modified_at":"2026-03-19T21:17:24.743250Z","published_at":"2026-03-11T00:24:42Z","references":["https://osv.dev/vulnerability/GHSA-mhg6-2q2v-9h2c","https://github.com/sigstore/sigstore-ruby/security/advisories/GHSA-mhg6-2q2v-9h2c","https://nvd.nist.gov/vuln/detail/CVE-2026-31830","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sigstore/CVE-2026-31830.yml","https://github.com/sigstore/sigstore-ruby"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-mhg6-2q2v-9h2c","url":"https://osv.dev/vulnerability/GHSA-mhg6-2q2v-9h2c"}],"summary":"sigstore-ruby verifier returns success for DSSE bundles with mismatched in-toto subject digest"}