GHSA-C4C3-PG64-4M4V Mermaid configuration APIs allow prototype pollution

Summary Mermaid's configuration setters mermaid.initialize, mermaidAPI.setConfig, and mermaidAPI.updateSiteConfig merge the caller-supplied configuration object into Mermaid's internal config using the assignWithDepth deep-merge helper that is vulnerable to prototype pollution. Because these APIs...

NPM: Mermaid configuration APIs allow prototype pollution

NPM: Mermaid configuration APIs allow prototype pollution vulnerability discovered by ? in WordPress Npm mermaid versions 10.9.8...

CVE-2026-71438 Mermaid configuration APIs allow prototype pollution

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's configuration setters mermaid.initialize, mermaidAPI.setConfig, and mermaidAPI.updateSiteConfig merge caller-supplied configuration into Mermaid's interna...

CVE-2026-71438 Mermaid configuration APIs allow prototype pollution

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's configuration setters mermaid.initialize, mermaidAPI.setConfig, and mermaidAPI.updateSiteConfig merge caller-supplied configuration into Mermaid's interna...

PT-2026-39888

Name of the Vulnerable Software and Affected Versions Mermaid versions prior to 11.15.0 Mermaid versions prior to 10.9.6 Description Default configuration allows the injection of CSS that applies outside of the Mermaid diagram. This occurs through the fontFamily, themeCSS, and altFontFamily...

CVE-2025-67744 Mermaid XSS vulnerability leads to Remote Code Execution

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to version 0.5.3, a security vulnerability exists in the Mermaid diagram rendering component that allows arbitrary JavaScript execution. Due to the exposure of the Electron IPC renderer...

PT-2025-51356

Name of the Vulnerable Software and Affected Versions DeepChat versions prior to 0.5.3 Description DeepChat is an open-source artificial intelligence agent platform. A security issue exists in the Mermaid diagram rendering component that allows arbitrary JavaScript execution. This Cross-Site...