CVE-2026-19761 DTStack Taier Upload Controller UploadController.java MultipartFile.getOriginalFilename path traversal
Remote attackers can exploit a path traversal vulnerability in the upload controller to read or modify arbitrary files on the server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19761?
CVE-2026-19761 is a medium-severity path traversal vulnerability in DTStack Taier, published on 13 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability has been found in DTStack Taier 1.4.0. Affected is the function MultipartFile.getOriginalFilename of the file UploadController.java of the component Upload Controller. The manipulation of the argument File leads to path traversal. The attack may be initiated remotely. Upgrading to version 1.5.0 is able to address this issue. The identifier of the patch is 572773c4315e23e51e30115151cb091749a8d03e. It is advisable to upgrade the affected component.
Weakness: CWE-22
Which versions are affected by CVE-2026-19761?
How do I fix CVE-2026-19761?
No fix has been published for CVE-2026-19761 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-19761 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19761 exists.
Sources
Also known as GHSA-5p6w-9cvf-5vx6.