{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "gitea.dev",
          "product": "Gitea",
          "vendor": "Gitea",
          "versions": [
            {
              "lessThan": "28.3.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "https://github.com/ohxorud-dev"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "https://github.com/silverwind"
        },
        {
          "lang": "en",
          "type": "remediation reviewer",
          "value": "https://github.com/wxiaoguang"
        },
        {
          "lang": "en",
          "type": "remediation reviewer",
          "value": "https://github.com/lunny"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "https://github.com/bircni"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The OCI registry\u0027s cross-repository blob mount checked the target package against the token\u0027s `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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863: Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-01T09:48:46.825Z",
        "orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
        "shortName": "Gitea"
      },
      "references": [
        {
          "name": "GitHub Security Advisory GHSA-8g99-g36h-5p2w",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-8g99-g36h-5p2w"
        },
        {
          "name": "Fix: go-gitea/gitea pull request #39690",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/39690"
        },
        {
          "name": "Fix backport to release/v28: go-gitea/gitea pull request #39853",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/39853"
        },
        {
          "name": "Gitea 28.3.0 release announcement",
          "tags": [
            "release-notes"
          ],
          "url": "https://blog.gitea.com/release-of-28.3.0/"
        },
        {
          "name": "go-gitea/gitea v28.3.0 release",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/go-gitea/gitea/releases/tag/v28.3.0"
        }
      ],
      "title": "Gitea public-only package token access to private OCI blobs"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
    "assignerShortName": "Gitea",
    "cveId": "CVE-2026-117685",
    "datePublished": "2026-11-01T09:48:46.825Z",
    "dateReserved": "2026-11-01T08:48:41.154Z",
    "dateUpdated": "2026-11-01T09:48:46.825Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}