EUVD-2026-31515

Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Versions 10.9.5 and prior, in addition to 11.0.0-alpha.1 through 11.12.0 are vulnerable to CSS injection through improper sanitization. The state diagram and any other diagram type that routes...

CVE-2026-41148

CVE-2026-41148 affects Mermaid diagrams up to v10.9.5 and v11.0.0-alpha.1 to v11.12.0, where improper sanitization of classDef values in state diagrams allows CSS injection via addStyleClass() into create CssStyles(), ending with style.innerHTML and enabling page defacement, url()-based tracking,...

CVE-2026-7182

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1...

CVE-2026-7182

The CVE concerns Diagram’s export module vulnerability to Path Traversal via the src attribute due to insufficient HTML sanitization. An unauthenticated attacker could craft HTML payloads that access local server files and cause them to be displayed in the generated PDF. The issue is mitigated by...

CVE-2026-7182 Path Traversal in Diagram

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1...

CVE-2026-7182 Path Traversal in Diagram

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1...

CVE-2026-7182

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1...

CVE-2026-7182: Improper Limitation of a Pathname to a Restricted Directory

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1...

PT-2026-41297

Name of the Vulnerable Software and Affected Versions DHTMLX Diagram versions prior to 1.1.1 Description The export module is susceptible to Path Traversal in the src attribute because of insufficient HTML sanitization. An unauthenticated attacker can craft a malicious HTML payload to read...

DHTMLX Diagram 路径遍历漏洞

DHTMLX Diagram is a JavaScript chart component developed by DHTMLX Corporation that supports interactive organizational charts, flowcharts, mind maps, and other chart types. Versions of DHTMLX Diagram prior to 1.1.1 had a path traversal vulnerability. This vulnerability stemmed from path traversa...

WS-2019-0175

diagram-js versions 2.x before 2.6.2 and 3.x before 3.3.1 fails to escape output of user-controlled input in search-pad, allowing attackers to execute arbitrary JavaScript...

WS-2019-0148

diagram-js-direct-editing versions before 1.4.3 fails to sanitize input from the clipboard, allowing attackers to execute arbitrary JavaScript in the victim's browser...

Arbitrary Code Injection

Overview mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection due to improper sanitization of the classDef function in state diagrams. An attacker can inject arbitrary...

Arbitrary Code Injection

Overview org.webjars.npm:mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection due to improper sanitization of input passed to the addStyleClass function. An attacker c...

PT-2026-39886

Name of the Vulnerable Software and Affected Versions Mermaid versions prior to 10.9.6 Mermaid versions 11.0.0-alpha.1 through 11.14.0 Description Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Under the default configuration, the classDef...

Best Diagram Software in 2026, Why EdrawMax Works for Everyday Use

Compare top diagram software in 2026 and see why Wondershare EdrawMax can be a practical choice for fast, template rich, AI supported diagramming...

Excalidraw vulnerable to XSS via Mermaid sequence diagram labels (KaTeX rendering)

Impact @excalidraw/[email protected] depends on a Mermaid conversion package version that resolves to a Mermaid release affected by CVE-2025-54881 / GHSA-7rqq-prvp-x9jh. User-supplied Mermaid sequence diagram labels could trigger XSS through Mermaid’s KaTeX label rendering path. This is patched i...

CVE-2026-40608

CVE-2026-40608 affects Next AI Draw.io (a Next.js app). Before version 0.4.15, the embedded HTTP sidecar’s three POST handlers (/api/state, /api/restore, /api/history-svg) accumulate entire request bodies into a JavaScript string without size limits. Node.js buffers the full payload in the V8 hea...

SiYuan Affected by Zero-Click NTLM Hash Theft and Blind SSRF via Mermaid Diagram Rendering

SiYuan configures Mermaid.js with securityLevel: "loose" and htmlLabels: true. In this mode, tags with src attributes survive Mermaid's internal DOMPurify and land in SVG blocks. The SVG is injected via innerHTML with no secondary sanitization. When a victim opens a note containing a malicious...

CVE-2026-40107

SiYuan is a personal knowledge management system. Prior to 3.6.4, SiYuan configures Mermaid.js with securityLevel: "loose" and htmlLabels: true. In this mode, tags with src attributes survive Mermaid's internal DOMPurify and land in SVG blocks. The SVG is injected via innerHTML with no secondary...