{"id":"CVE-2026-47110","aliases":["GHSA-4595-7fjw-r3jh"],"title":"Tiptap contains an input validation vulnerability resulting in DoS","summary":"Tiptap contains an input validation vulnerability resulting in DoS","severity":"high","cvss":6.5,"cwe":["CWE-241"],"vendor":"ueberdosis","product":"ueberdosis/tiptap-php","ecosystem":"composer","affected":["ueberdosis/tiptap-php < 2.1.1"],"patched":["ueberdosis/tiptap-php 2.1.1"],"published":"2026-06-25","updated":"2026-10-07","sourceUpdated":"2026-10-07T14:01:59Z","source":"GHSA","sourceUrl":"https://github.com/advisories/GHSA-4595-7fjw-r3jh","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47110"},{"url":"https://github.com/ueberdosis/tiptap-php/pull/94"},{"url":"https://github.com/ueberdosis/tiptap-php/commit/74bfb7be1c8c6102b240f3879b7f984a6ab87b97"},{"url":"https://github.com/ueberdosis/tiptap-php/releases/tag/2.1.1"},{"url":"https://www.vulncheck.com/advisories/tiptap-for-php-dos-via-malformed-href-attribute"},{"url":"https://github.com/advisories/GHSA-4595-7fjw-r3jh"}],"tags":["ghsa","composer"],"epss":0.00548,"epssPercentile":0.44056,"ingestedAt":"2026-10-07T14:33:21.959Z","slug":"CVE-2026-47110","body":"## Overview\n\nTiptap 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.\n\n## Affected packages\n\n- `ueberdosis/tiptap-php < 2.1.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `ueberdosis/tiptap-php 2.1.1`","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}