CVE-2026-41150
CVE-2026-41150 · Mermaid Gantt Charts are vulnerable to an Infinite Loop DoS
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior to 10.9.6 and 11.15.0, there is a denial-of-service attack when rendering gantt charts, if they use the excludes attribute to exclude all dates. mermaid.parse is unaffected, unless you then call the ganttDb.getTasks() (which is called when rendering a diagram). This vulnerability is fixed in 10.9.6 and 11.15.0.
CVSS 5.3 · Medium · EPSS 0.4% · Fix available
- Published
- Updated
Affected products and versions
mermaid
- Versions
- >= 11.0.0-alpha.1, < 11.15.0: Affected
- < 10.9.6: Affected
No fix published
node-mermaid Debian:14
- Versions
- 8.11.0+ds+~cs29.13.22-1
- 8.13.2+ds+~cs30.13.21-1
- 8.13.2+ds+~cs30.13.21-1.1
- 8.13.3+ds+~cs26.13.21-1
- 8.13.3+ds+~cs26.13.21-2
- 8.13.8+~cs10.4.16-1
- 8.14.0+ds1+~cs11.4.14-1
- 8.14.0+~cs11.4.14-1
- 8.7.0+ds+~cs27.17.17-1
- 8.7.0+ds+~cs27.17.17-2
- 8.7.0+ds+~cs27.17.17-2~bpo10+1
- 8.7.0+ds+~cs27.17.17-3
- 8.9.1+ds+~cs26.20.25-1
- 8.9.3+ds+~cs29.13.19-1
- 9.2.2+~2.0.0-1
- 9.2.2+~2.0.0-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mermaid npm
- Affected ranges
- SEMVER: ≥ 11.0.0-alpha.1, < 11.15.0
Update to 11.15.0
mermaid npm
- Affected ranges
- SEMVER: < 10.9.6
Update to 10.9.6
node-mermaid Ubuntu:22.04:LTS
- Versions
- 8.7.0+ds+~cs27.17.17-3
- 8.13.3+ds+~cs26.13.21-1
- 8.13.3+ds+~cs26.13.21-2
- 8.13.8+~cs10.4.16-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
node-mermaid Ubuntu:26.10
- Versions
- 9.2.2+~2.0.0-1
- 9.2.2+~2.0.0-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://github.com/mermaid-js/mermaid/security/advisories/GHSA-6m6c-36f7-fhxh
- https://github.com/mermaid-js/mermaid/commit/a59ea56174712ee5430dfd5bc877cb5151f501a6
- https://github.com/mermaid-js/mermaid/commit/faafb5d49106dd32c367f3882505f2dd625aa30e
- https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.15.0
- https://github.com/mermaid-js/mermaid/releases/tag/v10.9.6
- https://nvd.nist.gov/vuln/detail/CVE-2026-41150