How many CVEs have patched DiagramStyleClassDef?

1 published CVEs changed DiagramStyleClassDef in mermaid-js/mermaid, in 2 distinct patches totalling 7 changed lines, between 2026 and 2026.

What is the latest CVE that changed DiagramStyleClassDef?

CVE-2026-41149 (Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection), published 2026-05-22, changed lines 47 to 54 of packages/mermaid/src/diagram-api/types.ts.

How does DiagramStyleClassDef compare to the rest of mermaid-js/mermaid?

mermaid-js/mermaid has 14 CVEs with a located fix in total; 1 of them changed DiagramStyleClassDef.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Mermaid Js
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DiagramStyleClassDef

DiagramStyleClassDef in mermaid-js/mermaid: Patched by 1 CVEs

mermaid-js/mermaid

Type

DiagramStyleClassDef

Name: DiagramStyleClassDef in mermaid-js/mermaid: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

packages/mermaid/src/diagram-api/types.ts

Last patched May 22, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

DiagramStyleClassDef in mermaid-js/mermaid was changed by 1 published CVE fixes in 2026, in 2 distinct patches that added or removed 7 lines in total.

mermaid-js/mermaid has 14 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed DiagramStyleClassDef, newest first, with the lines each fix touched.

Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection
CVE-2026-41149 · lines 47–54 · +7 −0
Medium · CVSS 5.3
EPSS 0.5%2026-05-22

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Other hotspots in the repository

Functions in mermaid-js/mermaid changed by the most CVE fixes.

does5 CVEs · packages/mermaid/src/mermaidAPI.ts transformDataWithoutCategory5 CVEs · packages/mermaid/src/diagrams/xychart/xychartDb.ts _Default5 CVEs · packages/mermaid/src/config.ts clear5 CVEs · packages/mermaid/src/diagrams/architecture/architectureDb.ts getAlignments5 CVEs · packages/mermaid/src/diagrams/architecture/architectureRenderer.ts getRelativeConstraints5 CVEs · packages/mermaid/src/diagrams/architecture/architectureRenderer.ts

All patched functions in mermaid-js/mermaid

Frequently asked questions

Common questions about CVE fixes to DiagramStyleClassDef.

How many CVEs have patched DiagramStyleClassDef?: 1 published CVEs changed DiagramStyleClassDef in mermaid-js/mermaid, in 2 distinct patches totalling 7 changed lines, between 2026 and 2026.
What is the latest CVE that changed DiagramStyleClassDef?: CVE-2026-41149 (Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection), published 2026-05-22, changed lines 47 to 54 of packages/mermaid/src/diagram-api/types.ts.
How does DiagramStyleClassDef compare to the rest of mermaid-js/mermaid?: mermaid-js/mermaid has 14 CVEs with a located fix in total; 1 of them changed DiagramStyleClassDef.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

packages/mermaid/src/diagram-api/types.ts on GitHub (opens in a new tab)
All patched functions in mermaid-js/mermaid
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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