Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. From version 11.6.0 until 11.16.1, Mermaid Radar Diagrams allow arbitrary large values for the ticks parameter, which can cause high CPU usage and freeze the rendering webpage or JavaScript process for long periods of time, potentially until the process is killed from memory exhaustion. This issue is fixed in version 11.16.1.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts.
    From version 11.6.0 until 11.16.1, Mermaid Radar Diagrams allow arbitrary large values for the ticks
    parameter, which can cause high CPU usage and freeze the rendering webpage or JavaScript process for long
    periods of time, potentially until the process is killed from memory exhaustion. This issue is fixed in
    version 11.16.1. (CVE-2026-71439)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts.
    From version 11.6.0 until 11.16.1, Mermaid Radar Diagrams allow arbitrary large values for the ticks     parameter, which can cause high CPU usage and freeze the rendering webpage or JavaScript process for long     periods of time, potentially until the process is killed from memory exhaustion. This issue is fixed in     version 11.16.1. (CVE-2026-71439)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
445780	SCA: security update for mermaid (GHSA-rhh3-jpg6-66xh)	Tenable Cloud Security	SCA Checks	Local	medium
445780	SCA: security update for mermaid (GHSA-rhh3-jpg6-66xh)	Tenable Self-Hosted Container Security	SCA Checks	Local	medium
333318	Linux Distros Unpatched Vulnerability : CVE-2026-71439	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-71439

medium

Tenable Plugins

medium

medium

medium