dromara lamp-cloud up to 5.10.0 chunk-check endpoint FileChunkController.java Name path traversal

Summaryinfo

A vulnerability marked as critical has been reported in dromara lamp-cloud up to 5.10.0. Impacted is an unknown function of the file FileChunkController.java of the component chunk-check endpoint. The manipulation of the argument Name leads to path traversal. This vulnerability is listed as CVE-2026-19758. The attack may be initiated remotely. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, has been found in dromara lamp-cloud up to 5.10.0. This issue affects an unknown code of the file FileChunkController.java of the component chunk-check endpoint. The manipulation of the argument name with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-19758. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available 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.

Statistical analysis made it clear that VulDB provides the best quality for 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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Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #868962: dromara lamp-cloud Releases20260625 path traversal (by Ku4D3)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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