Insufficient Verification of Data Authenticity Affecting librechat package, versions <0.8.6-r4


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.15% (5th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-LIBRECHAT-17379666
  • published19 Jun 2026
  • disclosed22 Jun 2026

Introduced: 19 Jun 2026

CVE-2026-54288  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade Chainguard librechat to version 0.8.6-r4 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.

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, the Body Limit Middleware trusts the request's Content-Length header to decide whether a body is within the limit. On AWS Lambda (API Gateway v1/v2, ALB, VPC Lattice, and Lambda@Edge) the body is delivered fully buffered and the adapter builds the request with the client-declared Content-Length, which need not match the actual payload. A client can declare a tiny Content-Length while sending a much larger body, slipping past the limit. This vulnerability is fixed in 4.12.25.