Mermaid XY Charts are vulnerable to an infinite loop DoS

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

• CISA KEV Not listed.
• EPSS 0.0058, the 47th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 6 Aug 2026. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-2v8p-3f2j-5mp7
• OSV: GHSA-2v8p-3f2j-5mp7
• github.com/mermaid-js/mermaid/security/advisories/GHSA-2v8p-3f2j-5mp7
• github.com/mermaid-js/mermaid/pull/8022
• github.com/mermaid-js/mermaid/commit/630aa7e5dd417e1f56bff2a1ce8df2c5ad08d289
• github.com/mermaid-js/mermaid/commit/ef60adc837d9d5107af21285f01e83dea309bd0a
• github.com/mermaid-js/mermaid
• github.com/mermaid-js/mermaid/releases/tag/[email protected]
• github.com/mermaid-js/mermaid/releases/tag/v10.9.8

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.