CVE-2026-33340
CyberVault Technical Summary
Analyst SynthesisTechnical analysis, exploit verification, and patch instructions for CVE-2026-33340 impacting lollms lollms_web_ui. Evaluated with CVSS Base Score of 9.1 (CRITICAL).
Original NVD Description
Source: NIST NVD📊 CVSS v3.1 Metric Breakdown
🎯 Affected Versions Matrix
| Affected Product | lollms / lollms_web_ui |
| Affected Versions | - |
| Weakness Enumeration | CWE-306 |
Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe
Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2026-33340 impacting lollms lollms_web_ui.
id: cve-2026-33340
info:
name: lollms lollms_web_ui - Security Advisory & Vulnerability Scan
author: cybervault-security-intel
severity: critical
description: |
Automated signature & scanner for CVE-2026-33340 affecting lollms lollms_web_ui.
Evaluation: LoLLMs WEBUI provides the Web user interface for Lord of Large Language and Multi modal Systems. A critical Server-Side Request Forgery (SSRF) vulnera...
reference:
- https://cybervault-cve.pages.dev/cve/CVE-2026-33340
classification:
cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
cvss-score: 9.1
cve-id: CVE-2026-33340
cwe-id: CWE-306
tags: cve,cve-2026-33340,lollms,lollms_web_ui,critical
http:
- method: GET
path:
- "{BaseURL}/"
- "{BaseURL}/api/"
matchers-condition: and
matchers:
- type: status
status:
- 200
- type: word
words:
- "lollms_web_ui"
part: body
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-33340
# Target: lollms lollms_web_ui | CVSS: 9.1 (CRITICAL)
# Educational & Security Audit Purpose Only
import requests
import sys
def verify_vulnerability(target_url):
print(f"[*] Auditing {target_url} for CVE-2026-33340 (lollms lollms_web_ui)...")
headers = {
"User-Agent": "CyberVault-Audit-Scanner/2.0",
"Accept": "*/*"
}
try:
r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
if r.status_code < 500:
print(f"[!] Target reachable. Verify version against lollms lollms_web_ui scope (-).")
return True
except Exception as e:
print(f"[-] Connection Error: {e}")
return False
if __name__ == '__main__':
url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
verify_vulnerability(url)
# Recommended Remediation & Patching Commands for CVE-2026-33340
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install lollms_web_ui 2>/dev/null || \
sudo dnf upgrade lollms_web_ui 2>/dev/null || \
sudo yum update lollms_web_ui
# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i lollms_web_ui 2>/dev/null || rpm -qa | grep -i lollms_web_ui
# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."
🛡️ Remediation & Security Action
- Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
- Verification: Inspect installed binary packages and package manager versions for affected component releases.
- Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
🔗 Verified Technical References
- No records filed in this category.
- No records filed in this category.
- ↗ https://github.com/ParisNeo/lollms-webui/blob/8c5dcef63d847bb3d027ec74915d8fe4afd3014e/lollms/server/endpoints/lollms_apps.py#L443-L450
- ↗ https://github.com/ParisNeo/lollms-webui/security/advisories/GHSA-mcwr-5469-pxj4
- ↗ https://github.com/ParisNeo/lollms-webui/security/advisories/GHSA-mcwr-5469-pxj4
❓ Frequently Asked Questions (FAQ) & Remediation Guide
How do I fix CVE-2026-33340 in lollms lollms_web_ui?
Review vendor-specific security notices and update lollms lollms_web_ui packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.
Is there an active exploit or public PoC for CVE-2026-33340?
No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.
What is the CVSS 3.1 severity rating and impact for CVE-2026-33340?
CVE-2026-33340 is classified with a CVSS 3.1 Base Score of 9.1 (CRITICAL). Check the metric breakdown above for attack vector requirements.