CVE-2026-54029

Katalog CVE

CVSS 6.5 · Medium EPSS 0,27%

Kerentanan Missing Authorization pada librechat. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the DELETE /api/messages/:conversationId/:messageId endpoint allows any authenticated user to delete any other user's messages. The validateMessageReq middleware only validates that the conversationId belongs to the requesting user, but the handler calls deleteMessages({ messageId }) using only the messageId as the MongoDB filter — without adding a user constraint. An attacker provides their own valid conversationId (to pass validation) and the victim's messageId (to target deletion), resulting in permanent, irrecoverable message deletion. This vulnerability is fixed in 0.8.4-rc1.

Rincian

Terbit di NVD

25 Juni 2026

Terakhir diubah

29 Juni 2026

Status NVD

Analyzed

CVSS 3.1

6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-862: Missing Authorization

EPSS (30 hari)

0,27% peluang dieksploitasi; lebih tinggi dari 18,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/danny-avila/LibreChat/security/advisories/GHSA-8892-xj8q-59xc exploit · advisory vendor