CVE-2026-50159

A flaw was found in Mermaid, a JavaScript tool for creating diagrams and charts. An attacker who can provide diagram text can inject arbitrary CSS Cascading Style Sheets into the rendered web page. This is possible due to a vulnerability in how sibling combinator selectors are generated from...

Linux Distros Unpatched Vulnerability : CVE-2026-50159

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior to 10.9.8 and 11.16.1, Mermaid is vulnerable to CS...

CVE-2026-50159: Improper Control of Generation of Code

Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior to 10.9.8 and 11.16.1, Mermaid is vulnerable to CSS injection via sibling combinator selectors generated from diagram-supplied class or id names. An attacker who can supply diagram text c...