Tiptap: Quadratic ReDoS in block and inline Markdown attribute parsing

Date Sep 8, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm · @tiptap/core
High-risk advisory

Summary

Tiptap: Quadratic ReDoS in block and inline Markdown attribute parsing

Why it matters

GitHub has published a reviewed security advisory for @tiptap/core. Prioritize it with other application dependency updates.

Operator check

Check whether @tiptap/core is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.