Critical 9.1Published Mar 24, 2026

CVE-2026-33340LoLLMs WEBUI has unauthenticated Server-Side Request Forgery (SSRF) in /api/proxy endpoint

Updated under an hour ago (Oct 26, 2026, 8:00 AM ET)

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It affects ParisNeo lollms-webui and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for ParisNeo lollms-webui

Exploited in the last 30 days

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.

CVSS: 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-306, CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Mar 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ParisNeo lollms-webui parisneo:lollms_webui (from the name)	through 8c5dcef63d847bb3d027ec74915d8fe4afd3014e	CNA record
lollms lollms_web_ui lollms:lollms_web_ui	all versions	NVD

References

https://github.com/ParisNeo/lollms-webui/security/advisories/GHSA-mcwr-5469-pxj4x-refsource-confirm, exploit, mitigation, vendor-advisory
https://github.com/ParisNeo/lollms-webui/blob/8c5dcef63d847bb3d027ec74915d8fe4afd3014e/lollms/server/endpoints/lollms_apps.py#L443-L450x-refsource-misc, product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.