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Advisory record · GHSA-4595-7fjw-r3jh

Tiptap contains an input validation vulnerability resulting in DoS

CVSS 7.1 HighEPSS 0.0055 · 46th percentile

Published by the GitHub Advisory Database at 25 Jun 2026, 00:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
ueberdosis/tiptap-phpPackagist<2.1.12.1.1
Identifiers
GHSA-4595-7fjw-r3jh · CVE-2026-47110 · PKSA-52qp-479k-9x2j
Weakness (CWE)
CWE-241
Tags
Published
25 Jun 2026
Updated
7 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Tiptap for PHP (Packagist ueberdosis/tiptap-php) versions before 2.1.1 contain an input validation flaw. An authenticated attacker can submit Tiptap JSON with an array in place of a string for the link href attribute, causing an unhandled error during HTML rendering that can be stored and crash rendering for later viewers until the record is repaired. Upgrade to version 2.1.1 or later.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.1 High 4.0 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 CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0055, the 46th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 13:54 UTC First seen by agentprime
  2. 31 Oct 2026, 13:54 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.