Vulnerability · Published Mar 28, 2026 · Assigned by VulDB
CVE-2026-5000PromtEngineer localGPT API Endpoint server.py LocalGPTHandler missing authentication
High 7.3
In plain English
A high-severity missing authentication in localGPT from PromtEngineer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
A vulnerability was detected in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. Impacted is the function LocalGPTHandler of the file backend/server.py of the component API Endpoint. The manipulation of the argument BaseHTTPRequestHandler results in missing authentication. The attack can be executed remotely. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PromtEngineer | localGPT | 4d41c7d1713b16b216d8e062e51a5dd88b20b054 |
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
References
- VDB-353887 | PromtEngineer localGPT API Endpoint server.py LocalGPTHandler missing authentication vdb-entry, technical-description
- VDB-353887 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #778315 | PromtEngineer localGPT Latest (commit 4d41c7d) Missing Authentication and Authorization third-party-advisory
- https://github.com/August829/CVEP/issues/8 issue-tracking