{"id":"CVE-2026-117685","aliases":["EUVD-2026-114801","GHSA-8g99-g36h-5p2w"],"status":"published","title":"Gitea public-only package token access to private OCI blobs","description":"The OCI registry's cross-repository blob mount checked the target package against the token's `public-only` restriction, but checked the source blob only against the full account permissions of the token owner. A `public-only` token with `write:package` scope, whose owner can read a private package and write to a public package namespace, could mount a blob of the private package into the public package. The private blob, such as a container layer, could then be downloaded by anyone through the public package.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00277,"percentile":0.20326,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-11-01T09:48:46Z","modified":"2026-11-06T15:25:14Z","products":[{"vendor":"gitea","product":"gitea"}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-8g99-g36h-5p2w","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/39690","tags":["patch","fix"]},{"url":"https://github.com/go-gitea/gitea/pull/39853","tags":["patch","fix"]},{"url":"https://blog.gitea.com/release-of-28.3.0/","tags":["release-notes","advisory"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.3.0","tags":["release-notes","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/117xxx/CVE-2026-117685.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-117685","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-117685","title":"Gitea public-only package token access to private OCI blobs","description":"The OCI registry's cross-repository blob mount checked the target package against the token's `public-only` restriction, but checked the source blob only against the full account permissions of the token owner. A `public-only` token with `write:package` scope, whose owner can read a private package and write to a public package namespace, could mount a blob of the private package into the public package. The private blob, such as a container layer, could then be downloaded by anyone through the public package.","status":"published","published":"2026-11-01T09:48:46.825Z","modified":"2026-11-06T15:25:14.607Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"cwes":["CWE-863"],"updated_at":"2026-11-06T16:58:45.944646Z"}],"euvd":[{"id":"EUVD-2026-114801","description":"The OCI registry's cross-repository blob mount checked the target package against the token's `public-only` restriction, but checked the source blob only against the full account permissions of the token owner. A `public-only` token with `write:package` scope, whose owner can read a private package and write to a public package namespace, could mount a blob of the private package into the public package. The private blob, such as a container layer, could then be downloaded by anyone through the public package.","status":"published","published":"2026-11-01T09:48:46Z","modified":"2026-11-06T15:25:14Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-06T16:05:19.944528Z"}],"nvd":[{"id":"CVE-2026-117685","description":"The OCI registry's cross-repository blob mount checked the target package against the token's `public-only` restriction, but checked the source blob only against the full account permissions of the token owner. A `public-only` token with `write:package` scope, whose owner can read a private package and write to a public package namespace, could mount a blob of the private package into the public package. The private blob, such as a container layer, could then be downloaded by anyone through the public package.","status":"published","published":"2026-11-01T10:18:35.933Z","modified":"2026-11-06T16:17:50.65Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-06T18:00:55.423579Z"}],"osv":[{"id":"CVE-2026-117685","title":"Gitea public-only package token access to private OCI blobs","description":"The OCI registry's cross-repository blob mount checked the target package against the token's `public-only` restriction, but checked the source blob only against the full account permissions of the token owner. A `public-only` token with `write:package` scope, whose owner can read a private package and write to a public package namespace, could mount a blob of the private package into the public package. The private blob, such as a container layer, could then be downloaded by anyone through the public package.","status":"published","published":"2026-11-01T09:48:46.825Z","modified":"2026-11-08T02:30:48.82864023Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-07T03:08:01.156605Z"}]}}