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CVE-2026-44654— LibreChat: Shared-agent editor can globally delete owner's file records — breaks owner's other private agents

Quick assessment

Affected
danny-avila LibreChat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LibreChat是LibreChat开源的一个免费、高度可定制的统一 AI 对话平台，能够在一个界面中聚合并运行来自任意厂商的大模型。 LibreChat 0.8.3及之前版本存在安全漏洞，该漏洞源于文件删除权限问题，可能导致共享代理编辑器全局删除文件，破坏所有者其他私有代理。

AI Predicted 6.5 Difficulty: Easy EPSS 0.40% · P32

Affected Version Matrix 1

VendorProduct Version RangeStatus
danny-avila LibreChat < 0.8.5 affected
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I. Basic Information for CVE-2026-44654

Vulnerability Information
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Vulnerability Title
LibreChat: Shared-agent editor can globally delete owner's file records — breaks owner's other private agents
Source: CVE Program / CVE List V5
Vulnerability Description
LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through `DELETE /api/files` that the owner has reused across multiple agents. The deletion removes the file globally — not just from the shared agent — breaking the owner's other private agents that reference the same `file_id`. The private agent retains a stale `file_id` reference that no longer resolves. A shared-agent editor can destroy files that the owner uses across multiple agents. The owner's private agents — which the attacker has no access to — break silently with stale `file_id` references. This is a cross-agent integrity violation: editing access to one agent should not affect another. Version 0.8.4 contains a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
LibreChat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreChat是LibreChat开源的一个免费、高度可定制的统一 AI 对话平台，能够在一个界面中聚合并运行来自任意厂商的大模型。 LibreChat 0.8.3及之前版本存在安全漏洞，该漏洞源于文件删除权限问题，可能导致共享代理编辑器全局删除文件，破坏所有者其他私有代理。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
danny-avila LibreChat < 0.8.5 -

II. Public POCs for CVE-2026-44654

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III. Intelligence Information for CVE-2026-44654

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Vendor Advisories for CVE-2026-44654 (1)

Same Patch Batch · danny-avila · 2026-06-02 · 4 CVEs total

CVE-2026-32625 9.6 CRITICAL LibreChat Exfiltrates Server Secrets via MCP Server URL Injection
CVE-2026-31942 7.1 HIGH LibreChat has IDOR in API Keys Management that allows any authenticated user to overwrite
CVE-2026-44653 6.5 MEDIUM LibreChat Shared MCP Server View Leaks Decrypted Admin Secrets

IV. Related Vulnerabilities

Same product: LibreChat
Same vendor: danny-avila
Same weakness: CWE-863

V. Comments for CVE-2026-44654

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