EUVD-2026-16933CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4Description
A vulnerability has been found in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. The impacted element is the function _route_using_overviews of the file backend/server.py of the component LLM Prompt Handler. Such manipulation leads to injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
Prompt injection in PromtEngineer localGPT allows unauthenticated remote attackers to manipulate LLM behavior via crafted inputs to the _route_using_overviews function. Publicly available exploit code exists (GitHub). …
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Remediation
Within 24 hours: Audit network accessibility of all localGPT deployments; immediately restrict access to localGPT endpoints to trusted networks only via firewall/WAF rules. Within 7 days: Implement input validation and sanitization on the _route_using_overviews function; monitor for exploitation attempts targeting prompt injection patterns. …
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