DTStack Taier 1.4.0 Chunk-Check Endpoint FileChunkController.java Paths.ge Name path traversal

Summaryinfo

A vulnerability has been found in DTStack Taier 1.4.0 and classified as critical. Affected by this issue is the function Paths.ge of the file FileChunkController.java of the component Chunk-Check Endpoint. This manipulation of the argument Name causes path traversal. This vulnerability is registered as CVE-2026-19762. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in DTStack Taier 1.4.0. Affected by this vulnerability is the function Paths.ge 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. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-19762. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

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

Vendor

• DTStack

Name

• Taier

Version

• 1.4.0

Website

• Product: https://github.com/DTStack/Taier/

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Submitinfo

Accepted

• Submit #868966: DTStack taier v1.4.0 path traversal (by Ku4D3)

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

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