Dromara lamp-cloud up to 5.10.0 Code Generator DefGenProjectController.java outputDir/parent/projectPrefix path traversal

Summaryinfo

A vulnerability identified as critical has been detected in Dromara lamp-cloud up to 5.10.0. This vulnerability affects unknown code of the file DefGenProjectController.java of the component Code Generator. Performing a manipulation of the argument outputDir/parent/projectPrefix results in path traversal. This vulnerability is identified as CVE-2026-19756. The attack can be initiated remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as critical has been found in Dromara lamp-cloud up to 5.10.0. This affects some unknown functionality of the file DefGenProjectController.java of the component Code Generator. The manipulation of the argument outputDir/parent/projectPrefix with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. 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-2026-19756. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Cloud Software

Vendor

• Dromara

Name

• lamp-cloud

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10.0

Website

• Product: https://github.com/dromara/lamp-cloud/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Submitinfo

Accepted

• Submit #868960: dromara lamp-cloud Releases20260625 Path Traversal (by Ku4D3)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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