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CVE-2026-54027

MEDIUM · CVSS 6.5 EPSS %0.19 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-25T17:16:40.397 · Çekilme zamanı: 2026-06-30T18:34:04.314604+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-54027
Severity
MEDIUM
CVSS
6.5
EPSS
%0.19

Orijinal NVD Açıklaması

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/files/images endpoint allows any authenticated user to upload files into any agent's tool_resources (e.g., context, execute_code) without verifying ownership or EDIT permission on the target agent. A permission check was added to the POST /api/files route in a previous patch, but the image upload route was never updated with the same check. An attacker can simply use the image endpoint instead of the file endpoint to bypass the authorization entirely. This vulnerability is fixed in 0.8.4-rc1.