@142vip/vitepress (>=0.0.1-alpha.23, <=0.0.1-alpha.24), @bubblesjs/vue-ai-chart (>=0.0.3, <=0.0.4) +157 more potentially affected by CVE-2026-41150 via mermaid (>=11.0.0, <=11.14.0)

mermaid NPM version =11.0.0, =0.0.1-alpha.23, =0.0.3, =0.15.0, =0.35.0, =0.0.1-beta.1, =0.0.0-beta.1, =0.0.1, =0.0.1-alpha.0, =0.11.1, =0.11.2, =1.10.5, =15.1.25, =0.0.2, =0.0.10 and more Source cves: CVE-2026-41150 Source advisory: SNYK:JS-MERMAID-16642040...

Mermaid Gantt Charts are vulnerable to an Infinite Loop DoS

Impact Mermaid v11.14.0 and earlier are vulnerable to a denial-of-service attack when rendering gantt charts, if they use the excludes attribute to exclude all dates. Example: gantt excludes monday,tuesday,wednesday,thursday,friday,saturday,sunday DoS :2025-01-01, 1d mermaid.parse is unaffected,...

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 the classDef function in state diagrams. An attacker can...

@142vip/vitepress (>=0.0.1-alpha.23, <=0.0.1-alpha.24), @bubblesjs/vue-ai-chart (>=0.0.3, <=0.0.4) +157 more potentially affected by CVE-2026-41149 via mermaid (>=11.0.0, <=11.14.0)

mermaid NPM version =11.0.0, =0.0.1-alpha.23, =0.0.3, =0.15.0, =0.35.0, =0.0.1-beta.1, =0.0.0-beta.1, =0.0.1, =0.0.1-alpha.0, =0.11.1, =0.11.2, =1.10.5, =15.1.25, =0.0.2, =0.0.10 and more Source cves: CVE-2026-41149 Source advisory: SNYK:JS-MERMAID-16642050...

NPM: Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection

NPM: Mermaid: Improper sanitization of classDef in state diagrams leads to HTML injection vulnerability discovered by ? in WordPress Npm mermaid versions = 10.9.5...

Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection

Impact Under the default configuration, Mermaid state diagram's classDef allow DOM injection that escapes the SVG, although tags are removed, preventing XSS. Proof-of-concept stateDiagram-v2 classDef xss...

GHSA-GHCM-XQFW-Q4VR Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection

Impact Under the default configuration, Mermaid state diagram's classDef allow DOM injection that escapes the SVG, although tags are removed, preventing XSS. Proof-of-concept stateDiagram-v2 classDef xss...

@8btc/excalidraw (>=0.18.0-beta.0, <=0.18.0-beta.4), @airmix/mcp-excalidraw-server (1.0.6) +243 more potentially affected by CVE-2026-41149 via mermaid (>=10.0.0, <=10.9.5)

mermaid NPM version =10.0.0, =0.18.0-beta.0, =0.17.0-alkemio-1, =1.0.0, =0.18.3, =0.18.0-1, =0.0.1-BETA, =0.18.1, =1.1.4, =0.0.1, =0.17.1, =0.0.19, =0.0.1, =0.0.1, =0.0.6 and more Source cves: CVE-2026-41149 Source advisory: OSV:GHSA-GHCM-XQFW-Q4VR...

@142vip/vitepress (>=0.0.1-alpha.23, <=0.0.1-alpha.24), @bubblesjs/vue-ai-chart (>=0.0.3, <=0.0.4) +157 more potentially affected by CVE-2026-41149 via mermaid (>=11.0.0, <=11.14.0)

mermaid NPM version =11.0.0, =0.0.1-alpha.23, =0.0.3, =0.15.0, =0.35.0, =0.0.1-beta.1, =0.0.0-beta.1, =0.0.1, =0.0.1-alpha.0, =0.11.1, =0.11.2, =1.10.5, =15.1.25, =0.0.2, =0.0.10 and more Source cves: CVE-2026-41149 Source advisory: OSV:GHSA-GHCM-XQFW-Q4VR...

@0xgg/echomd (>=1.0.0, <=1.0.4), @7nohe/vite-plugin-vue-marked (0.2.1) +945 more potentially affected by CVE-2026-41149 via mermaid (>=0.2.16, <=10.9.5)

mermaid NPM version =0.2.16, =1.0.0, =0.18.0-beta.0, =0.3.0, =0.1.0, =0.1.0-a0, =0.17.0-alkemio-1, =0.4.0, =0.0.18, =1.0.0, =3.130.1, =1.19.0, =1.50.0 and more Source cves: CVE-2026-41149 Source advisory: SNYK:JS-MERMAID-16642050...

GHSA-XCJ9-5M2H-648R Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

Details The state diagram and any other diagram type that routes user-controlled style strings through createCssStyles parser for Mermaid v11.14.0 and earlier captures classDef values with an unrestricted regex: jison // packages/mermaid/src/diagrams/state/parser/stateDiagram.jison:83 ^\n...

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 input passed to the addStyleClass function. An attacker can inject...

@142vip/vitepress (>=0.0.1-alpha.23, <=0.0.1-alpha.24), @bubblesjs/vue-ai-chart (>=0.0.3, <=0.0.4) +157 more potentially affected by CVE-2026-41148 via mermaid (>=11.0.0, <=11.14.0)

mermaid NPM version =11.0.0, =0.0.1-alpha.23, =0.0.3, =0.15.0, =0.35.0, =0.0.1-beta.1, =0.0.0-beta.1, =0.0.1, =0.0.1-alpha.0, =0.11.1, =0.11.2, =1.10.5, =15.1.25, =0.0.2, =0.0.10 and more Source cves: CVE-2026-41148 Source advisory: OSV:GHSA-XCJ9-5M2H-648R...

@142vip/vitepress (>=0.0.1-alpha.23, <=0.0.1-alpha.24), @bubblesjs/vue-ai-chart (>=0.0.3, <=0.0.4) +157 more potentially affected by CVE-2026-41148 via mermaid (>=11.0.0, <=11.14.0)

mermaid NPM version =11.0.0, =0.0.1-alpha.23, =0.0.3, =0.15.0, =0.35.0, =0.0.1-beta.1, =0.0.0-beta.1, =0.0.1, =0.0.1-alpha.0, =0.11.1, =0.11.2, =1.10.5, =15.1.25, =0.0.2, =0.0.10 and more Source cves: CVE-2026-41148 Source advisory: SNYK:JS-MERMAID-16642044...

NPM: Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

NPM: Mermaid: Improper sanitization of classDefs in diagrams leads to CSS injection vulnerability discovered by ? in WordPress Npm mermaid versions = 10.9.5...

@8btc/excalidraw (>=0.18.0-beta.0, <=0.18.0-beta.4), @airmix/mcp-excalidraw-server (1.0.6) +243 more potentially affected by CVE-2026-41148 via mermaid (>=10.0.0, <=10.9.5)

mermaid NPM version =10.0.0, =0.18.0-beta.0, =0.17.0-alkemio-1, =1.0.0, =0.18.3, =0.18.0-1, =0.0.1-BETA, =0.18.1, =1.1.4, =0.0.1, =0.17.1, =0.0.19, =0.0.1, =0.0.1, =0.0.6 and more Source cves: CVE-2026-41148 Source advisory: OSV:GHSA-XCJ9-5M2H-648R...

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...

@8btc/excalidraw (>=0.18.0-beta.0, <=0.18.0-beta.4), @airmix/mcp-excalidraw-server (1.0.6) +243 more potentially affected by CVE-2026-41148 via mermaid (>=10.0.0, <=10.9.5)

mermaid NPM version =10.0.0, =0.18.0-beta.0, =0.17.0-alkemio-1, =1.0.0, =0.18.3, =0.18.0-1, =0.0.1-BETA, =0.18.1, =1.1.4, =0.0.1, =0.17.1, =0.0.19, =0.0.1, =0.0.1, =0.0.6 and more Source cves: CVE-2026-41148 Source advisory: SNYK:JS-MERMAID-16642044...

Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

Details The state diagram and any other diagram type that routes user-controlled style strings through createCssStyles parser for Mermaid v11.14.0 and earlier captures classDef values with an unrestricted regex: jison // packages/mermaid/src/diagrams/state/parser/stateDiagram.jison:83 ^\n...