CVE-2026-33340

CRITICAL NUCLEI

LoLLMs WEBUI has unauthenticated Server-Side Request Forgery (SSRF) in /api/proxy endpoint

Title source: cna

Description

LoLLMs WEBUI provides the Web user interface for Lord of Large Language and Multi modal Systems. A critical Server-Side Request Forgery (SSRF) vulnerability has been identified in all known existing versions of `lollms-webui`. The `@router.post("/api/proxy")` endpoint allows unauthenticated attackers to force the server into making arbitrary GET requests. This can be exploited to access internal services, scan local networks, or exfiltrate sensitive cloud metadata (e.g., AWS/GCP IAM tokens). As of time of publication, no known patched versions are available.

Exploits (1)

nomisec WRITEUP
by regaan · poc
https://github.com/regaan/CVE-2026-33340

Nuclei Templates (1)

LoLLMs WEBUI - Server-Side Request Forgery
CRITICALVERIFIEDby theamanrawat

Scores

CVSS v3 9.1
EPSS 0.0566
EPSS Percentile 90.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-306 CWE-918
Status published
Products (2)
lollms/lollms_web_ui
ParisNeo/lollms-webui <= 8c5dcef63d847bb3d027ec74915d8fe4afd3014e
Published Mar 24, 2026
Tracked Since Mar 24, 2026