HighVulnerabilityLLM-specific

CVE-2025-54868: LibreChat exposed testing endpoint allows reading arbitrary chats

Source: NVD(opens in a new tab)
Identifier: CVE-2025-54868
Published: August 5, 2025
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.5%

Summary

CVE-2025-54868 affects LibreChat versions 0.0.6 through 0.7.7-rc1. An exposed testing endpoint, /api/search/test, reads stored chats directly from the Meilisearch engine without proper access control, letting an attacker read chats belonging to arbitrary users. The weakness is classified as CWE-285 (Improper Authorization).

Mitigation

This issue is fixed in version 0.7.7.

Details

Scores and exploitation

CVSS score: 7.5(high)
EPSS: 0.5%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-285

Classification

Attack type: Data extraction
Attack sophistication: Trivial
AI component targeted: RAG
Impact: Confidentiality
Labels: security,
privacy

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-54868

First tracked: February 15, 2026 at 08:50 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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