Mermaid CVE Vulnerabilities
By Mermaid Project — 2 known vulnerabilities
Critical
0
High
0
Medium
2
Low
0
None
0
All Mermaid CVEs
CVE-2026-41159
5.3
medium
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, Mermaid's default configuration allows injecting CSS that applies outside of the Mermaid diagram via the fontFamily, themeCSS, and altFontFamily configuration options
May 29, 2026
CVE-2026-41150
5.3
medium
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
May 29, 2026