CVE-2026-5000

HIGH

PromtEngineer localGPT API Endpoint server.py LocalGPTHandler missing authentication

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-5000. PoCs published by Perl-Code.

AI-analyzed exploit summary The repository claims to contain a PoC for CVE-2026-5000 but only provides a README with vague descriptions and no actual exploit code. It directs users to download an executable from an external 'releases' section, which is a common tactic for distributing malware or fake exploits.

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.

Exploits (1)

nomisec SUSPICIOUS
by Perl-Code · poc
https://github.com/Perl-Code/CVE-2026-5000

The repository claims to contain a PoC for CVE-2026-5000 but only provides a README with vague descriptions and no actual exploit code. It directs users to download an executable from an external 'releases' section, which is a common tactic for distributing malware or fake exploits.

Classification
Suspicious 90%
Attack Type
Other
Complexity
Theoretical
Reliability
Theoretical
Target: Windows Defender
No auth needed
Prerequisites: Windows 10/11 with Windows Defender
devstral-2 · analyzed Apr 28, 2026 Full analysis →

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-353887 | PromtEngineer localGPT API Endpoint server.py LocalGPTHandler missing authentication
https://vuldb.com/vuln/353887
Signature, Permissions Required signature permissions-required
VDB-353887 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/353887/cti
Third Party Advisory third-party-advisory
Submit #778315 | PromtEngineer localGPT Latest (commit 4d41c7d) Missing Authentication and Authorization
https://vuldb.com/submit/778315
Issue Tracking issue-tracking
https://github.com/August829/CVEP/issues/8

Scores

CVSS v3 7.3
EPSS 0.0039
EPSS Percentile 30.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-287 CWE-306
Status published
Products (1)
PromtEngineer/localGPT 4d41c7d1713b16b216d8e062e51a5dd88b20b054
Published Mar 28, 2026
Tracked Since Mar 29, 2026