tarteaucitron.js has Regular Expression Denial of Service (ReDoS) vulnerability

{
  "id": "40897b119ca0b512be1b2d08a81b0e2d2874463da1fd59ac92e3c135ca06c581",
  "url": "https://osv.dev/vulnerability/CVE-2026-22809",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "tarteaucitron.js has Regular Expression Denial of Service (ReDoS) vulnerability",
    "summary": "tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.29.0, a Regular Expression Denial of Service (ReDoS) vulnerability was identified in tarteaucitron.js in the handling of the issuu_id parameter. This vulnerability is fixed in 1.29.0.",
    "evidence": "osv:CVE-2026-22809",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-22809",
      "aliases": [
        "CVE-2026-22809",
        "GHSA-q5f6-qxm2-mcqm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/amauric/tarteaucitron.js",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "715f3963842b27ba2c239a68118120e8b142c2fd"
                },
                {
                  "fixed": "f0bbdac2fdf3cd24a325fc0928c0d34abf1b7b52"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:amauri:tarteaucitronjs:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.29.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f0bbdac2fdf3cd24a325fc0928c0d34abf1b7b52"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.28.0",
            "v1.27.1",
            "v1.27.0",
            "v1.26.0",
            "v1.25.0",
            "v1.24.0",
            "v1.23.0",
            "v1.22.0",
            "v1.21.0",
            "v1.20.2",
            "v1.20.1",
            "v1.20.0",
            "v1.19.0",
            "v1.18.1",
            "v1.18.0",
            "v1.17.0",
            "v1.16.1",
            "v1.16.0",
            "v1.15.0",
            "v1.14.0",
            "v1.13.1",
            "v1.13.0",
            "v1.12.0",
            "v1.11.0",
            "v1.10.0",
            "v1.9.9",
            "v1.9.8",
            "v1.9.7",
            "v1.9.6",
            "v1.9.5",
            "v1.9.4",
            "v1.9.3",
            "v1.9.1",
            "20210329",
            "20210306",
            "20210305",
            "v1.8.4",
            "v1.8.3",
            "v1.8.2",
            "v1.8.1",
            "v1.8",
            "v1.6",
            "v1.5",
            "20200910",
            "v1.4",
            "v1.3",
            "v1.2.0",
            "v1.2",
            "V1.2",
            "v1.1",
            "v1.0",
            "v0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22809.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.573265284Z",
      "provider": "osv",
      "references": [
        "https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-q5f6-qxm2-mcqm",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22809.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-22809",
        "https://github.com/AmauriC/tarteaucitron.js/commit/f0bbdac2fdf3cd24a325fc0928c0d34abf1b7b52"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1333"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22809.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-22809",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498460,
  "published_at": "2026-01-13T19:36:21.582+00:00"
}