{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.22.0"
              },
              {
                "last_affected": "1.26.1"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "d7f73a1334ab7a97d4e055b7c58cdd9ac303f77a"
            },
            {
              "fixed": "2c749ce548b1da0a52835861a87b888e67842d29"
            }
          ],
          "repo": "https://github.com/go-gitea/gitea",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-hg5r-vq93-9fv6"
  ],
  "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"
  },
  "details": "Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write",
  "id": "CVE-2026-58426",
  "modified": "2026-07-15T01:49:06.714538397Z",
  "published": "2026-07-03T20:54:53.283Z",
  "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"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write"
}