Algorithmic Complexity Affecting librechat package, versions <0.8.7-r16


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.68% (51st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-LIBRECHAT-20541559
  • published7 Oct 2026
  • disclosed13 Sept 2026

Introduced: 13 Sep 2026

CVE-2026-90776  (opens in a new tab)
CWE-407  (opens in a new tab)

How to fix?

Upgrade Chainguard librechat to version 0.8.7-r16 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.

Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC 5322 comments. Attackers can craft malicious email headers with comment-separated atoms to consume excessive CPU and block the Node.js event loop for several seconds, causing denial of service.

CVSS Base Scores

version 3.1