Arbitrary file upload in Promtengineer Localgpt
CVE-2026-5001
A flaw has been found in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. The affected element is the function do_POST of the file backend/server.py. This manipulation causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.
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: 0.005 (38.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Promtengineer Localgpt — versions 4d41c7d1713b16b216d8e062e51a5dd88b20b054
Weakness classification (CWE)
References
- vuldb.com/vuln/353888 (technical-description, vdb-entry)
- vuldb.com/vuln/353888/cti (signature, permissions-required)
- vuldb.com/submit/778316 (third-party-advisory)
- github.com/August829/CVEP/issues/7 (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-5001?
- CVE-2026-5001 is a high-severity vulnerability in Promtengineer Localgpt, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-03-28.
- How severe is CVE-2026-5001?
- High severity. CVSS v3 base score is 7.3 out of 10.