{"id":"CVE-2026-58426","summary":"Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write","details":"Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write","aliases":["GHSA-hg5r-vq93-9fv6"],"modified":"2026-07-15T01:49:06.714538397Z","published":"2026-07-03T20:54:53.283Z","database_specific":{"cna_assigner":"Gitea","cwe_ids":["CWE-347"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58426.json"},"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/release-of-1.26.2/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58426.json"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.26.2"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58426"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/37707"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/go-gitea/gitea","events":[{"introduced":"d7f73a1334ab7a97d4e055b7c58cdd9ac303f77a"},{"fixed":"2c749ce548b1da0a52835861a87b888e67842d29"}],"database_specific":{"extracted_events":[{"introduced":"1.22.0"},{"last_affected":"1.26.1"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v1.26.1","v1.26.0","v1.26.0-rc0","v1.27.0-dev","v1.26.0-dev","v1.25.0-dev","v1.24.0-dev","v1.22.0-rc1","v1.23.0-dev","v1.22.0-rc0","v1.22.0-dev"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-58426.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"}]}