CVE-2026-33340 | ParisNeo lollms-webui up to 8c5dcef63d847bb3d027ec74915d8fe4afd3014e Web User Interface missing authentication (GHSA-mcwr-5469-pxj4)

VDB-352827 · CVE-2026-33340 · GHSA-MCWR-5469-PXJ4 PARISNEO LOLLMS-WEBUI UP TO 8C5DCEF63D847BB3D027EC74915D8FE4AFD3014E WEB USER INTERFACE MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.2 $0-$5k 3.27+ Summaryinfo A vulnerability classified as critical has been found in ParisNeo lollms-webui up to 8c5dcef63d847bb3d027ec74915d8fe4afd3014e. This affects an unknown part of the component Web User Interface. Performing a manipulation results in missing authentication. This vulnerability is reported as CVE-2026-33340. The attack is possible to be carried out remotely. No exploit exists. Detailsinfo A vulnerability classified as critical has been found in ParisNeo lollms-webui up to 8c5dcef63d847bb3d027ec74915d8fe4afd3014e. This affects some unknown processing of the component Web User Interface. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: 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. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-33340 since 03/18/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/24/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor ParisNeo Name lollms-webui Version 8c5dcef63d847bb3d027ec74915d8fe4afd3014e Website Product: https://github.com/ParisNeo/lollms-webui/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 8.2 VulDB Meta Temp Score: 8.2 VulDB Base Score: 7.3 VulDB Temp Score: 7.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.1 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Missing authentication CWE: CWE-306 / CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/18/2026 CVE reserved 03/24/2026 +6 days Advisory disclosed 03/24/2026 +0 days VulDB entry created 03/24/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-mcwr-5469-pxj4 Status: Confirmed CVE: CVE-2026-33340 (🔒) GCVE (CVE): GCVE-0-2026-33340 GCVE (VulDB): GCVE-100-352827 Entryinfo Created: 03/24/2026 18:58 Changes: 03/24/2026 18:58 (63) Complete: 🔍 Cache ID: 99:754:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸