CVE-2026-33340

Lollms Web Ui vulnerability

CVSS

9.1

EPSS

21.6%

EPSS pct

97th

Exploited

No known

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.

Affected vendor

Lollms

Affected product

Lollms Web Ui

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness type (CWE)

CWE-306 — Missing Authentication for Critical Function
CWE-918 — Server-Side Request Forgery (SSRF)

Published

2026-03-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 21.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2026-33340

Confirm whether Lollms Lollms Web Ui is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2026-33340.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-33340

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-33340 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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