Cross-site Scripting (XSS) Affecting langfuse package, versions <3.102.0-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-CHAINGUARDLATEST-LANGFUSE-12155822
- published23 Aug 2025
- disclosed19 Aug 2025
Introduced: 19 Aug 2025
CVE-2025-54881 (opens in a new tab)How to fix?
Upgrade Chainguard langfuse to version 3.102.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream langfuse package and not the langfuse package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
Mermaid is a JavaScript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. In the default configuration of mermaid 10.9.0-rc.1 to 11.9.0, user supplied input for sequence diagram labels is passed to innerHTML during calculation of element size, causing XSS.