Tiptap contains an input validation vulnerability resulting in DoS

{
  "id": "706a28bae7adfc800db6419769b96fdf793745764d92140efe074b7966baf534",
  "url": "https://osv.dev/vulnerability/GHSA-4595-7fjw-r3jh",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Tiptap contains an input validation vulnerability resulting in DoS",
    "summary": "Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri() function when passed to preg_match(). Attackers can persist malformed JSON records that permanently crash the server-side HTML rendering pipeline for all subsequent viewers of that record until the database entry is manually repaired.",
    "evidence": "osv:GHSA-4595-7fjw-r3jh",
    "products": [
      {
        "name": {
          "value": "ueberdosis/tiptap-php",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.1.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "1.0.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.1.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.2.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.3.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.4.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.0.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.1.0",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "high",
    "structured": {
      "id": "GHSA-4595-7fjw-r3jh",
      "aliases": [
        "CVE-2026-47110",
        "GHSA-4595-7fjw-r3jh"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        },
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.1.1"
                }
              ]
            }
          ],
          "package": {
            "name": "ueberdosis/tiptap-php",
            "purl": "pkg:composer/ueberdosis/tiptap-php",
            "ecosystem": "Packagist"
          },
          "versions": [
            "1.0.0",
            "1.1.0",
            "1.2.0",
            "1.3.0",
            "1.4.0",
            "2.0.0",
            "2.1.0"
          ],
          "database_specific": {
            "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4595-7fjw-r3jh/GHSA-4595-7fjw-r3jh.json"
          }
        }
      ],
      "modified": "2026-10-07T14:16:45.716820967Z",
      "provider": "osv",
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2026-47110",
        "https://github.com/ueberdosis/tiptap-php/pull/94",
        "https://github.com/ueberdosis/tiptap-php/commit/74bfb7be1c8c6102b240f3879b7f984a6ab87b97",
        "https://github.com/ueberdosis/tiptap-php",
        "https://github.com/ueberdosis/tiptap-php/releases/tag/2.1.1",
        "https://www.vulncheck.com/advisories/tiptap-for-php-dos-via-malformed-href-attribute"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-241"
        ],
        "severity": "HIGH",
        "github_reviewed": true,
        "nvd_published_at": "2026-06-24T22:16:47Z",
        "github_reviewed_at": "2026-10-07T14:01:58Z"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-47110",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 95084,
  "published_at": "2026-06-25T00:33:22+00:00"
}