Auth bypass in Promtengineer Localgpt
CVE-2026-5000
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.007 (49.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Promtengineer Localgpt — versions 4d41c7d1713b16b216d8e062e51a5dd88b20b054
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/vuln/353887 (technical-description, vdb-entry)
- vuldb.com/vuln/353887/cti (signature, permissions-required)
- vuldb.com/submit/778315 (third-party-advisory)
- github.com/August829/CVEP/issues/8 (issue-tracking)
Frequently asked questions
- What is CVE-2026-5000?
- CVE-2026-5000 is a high-severity vulnerability in Promtengineer Localgpt, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-03-28.
- How severe is CVE-2026-5000?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2026-5000 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.