{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "28.1.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4ebd5e319b6a9e629bfd7a04292a6fe85b08dee9"
            }
          ],
          "repo": "https://github.com/go-gitea/gitea",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-wx44-9m3m-rjqx"
  ],
  "database_specific": {
    "cna_assigner": "Gitea",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107686.json"
  },
  "details": "The Gitea web handlers for adding and removing reactions on issues and comments did not refuse locked issues for users without write access, although the API did. A signed-in user who could read an issue could therefore add or remove reactions on a locked issue and its comments, bypassing the interaction restriction of the lock. Only reactions were affected; no content could be changed.",
  "id": "CVE-2026-107686",
  "modified": "2026-10-19T10:30:39.135327261Z",
  "published": "2026-10-18T18:56:59.087Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://blog.gitea.com/release-of-28.2.0/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107686.json"
    },
    {
      "type": "FIX",
      "url": "https://github.com/go-gitea/gitea/pull/39839"
    },
    {
      "type": "FIX",
      "url": "https://github.com/go-gitea/gitea/pull/39847"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/go-gitea/gitea/releases/tag/v28.2.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-wx44-9m3m-rjqx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107686"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "Gitea reactions accepted on locked issues and comments"
}