Vulnerability library
Security checkAugust 06, 2026

Mermaid radar diagrams are vulnerable to DoS

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Medium severitynpmmermaid

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Description

Mermaid radar diagrams allow arbitrary large values for ticks, which can cause high CPU usage, freezing the webpage/JavaScript process for long periods of time, until the process is eventually killed due to OOM/running out of memory.

Recommendation

Update the mermaid package to the latest compatible version. Followings are version details:

  • Affected version(s): >= 11.6.0, < 11.16.1
  • Patched version(s): 11.16.1

References

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Related Issues

See something that needs correcting? Let us knowUpdated August 06, 2026