data/osv/GO-2026-6342.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-6342",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2026-26247",
    "GHSA-m5ch-ppfx-xv3v"
  ],
  "summary": "Gitea OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea",
  "details": "Gitea OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea",
  "affected": [
    {
      "package": {
        "name": "code.gitea.io/gitea",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.25.5"
            }
          ]
        }
      ],
      "ecosystem_specific": {}
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-m5ch-ppfx-xv3v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26247"
    },
    {
      "type": "WEB",
      "url": "https://blog.gitea.com/release-of-1.25.5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/commit/750649c1ef092c95f95b206b9d5fa17471a0b1f5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/commit/bf8d11bb212ba2a76596d8a90e74e7d664571324"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/pull/36462"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/pull/36477"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.5"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-6342",
    "review_status": "UNREVIEWED"
  }
}