Improperly Controlled Modification of Dynamically-Determined Object Attributes Affecting librechat package, versions <0.8.4-r5
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-LIBRECHAT-16113236
- published21 Apr 2026
- disclosed24 Apr 2026
Introduced: 21 Apr 2026
NewCVE-2026-40897 (opens in a new tab)How to fix?
Upgrade Chainguard librechat to version 0.8.4-r5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream librechat package and not the librechat package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
Math.js is an extensive math library for JavaScript and Node.js. From 13.1.1 to before 15.2.0, a vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. This vulnerability is fixed in 15.2.0.