Summaryinfo

A vulnerability marked as critical has been reported in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. This affects the function _route_using_overviews of the file backend/server.py of the component LLM Prompt Handler. Performing a manipulation results in injection. This vulnerability is cataloged as CVE-2026-5002. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical has been found in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. This affects the function _route_using_overviews of the file backend/server.py of the component LLM Prompt Handler. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-5002. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1055 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16933). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• PromtEngineer

Name

• localGPT

Version

• 4d41c7d1713b16b216d8e062e51a5dd88b20b054

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #779122: PromtEngineer localGPT Latest (commit 4d41c7d) LLM Prompt Injection via Unsanitized User Input (by Yu_Bao)

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