How broadly exploitable is this vulnerability?

Exploitation is limited to authenticated users of the affected LibreChat instance, but within that scope, any user who can obtain a target agent's ID may be able to manipulate that agent's file context and behavior, especially in shared or multi-user environments.

Does an attacker need elevated privileges or admin access?

No elevated privileges are inherently required; a regular authenticated account is sufficient if the attacker can reference the target agent ID. The flaw lies in missing authorization checks, not in bypassing authentication.

What is the safest general fix pattern for developers?

Implement strict, server-side authorization for every operation that modifies an agent, especially file uploads and search indexing. Each request should verify that the acting user has explicit rights (ownership, role, or ACL entry) to change the referenced agent's resources, rather than trusting the presence of an agent ID.

Severity:

HIGH RISK

(7.1)

Improper Access Control (CWE-284) on Agent File Context in LibreChat

CVE-2025-69220

Published:

Jan 7, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Improper Access Control

CWE:

CWE-284;CWE-862

Impact:

Unauthorized Modification of AI Agent Behavior and Data Context

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Improper Access Control

CWE:

CWE-284;CWE-862

Impact:

Unauthorized Modification of AI Agent Behavior and Data Context

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

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Improper Access Control (CWE-284) on Agent File Context in LibreChat

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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