CVE-2026-19761 PUBLISHED

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.

• Ku4D3 (VulDB User) reporter

• VDB-389664 | DTStack Taier Upload Controller UploadController.java MultipartFile.getOriginalFilename path traversal
• VDB-389664 | CTI Indicators (IOB, IOC, TTP, IOA)
• CVE-2026-19761 | CVE Analysis and Report
• Submit #868965 | DTStack taier v1.4.0 Path Traversal
• https://github.com/DTStack/Taier/issues/1202
• https://github.com/DTStack/Taier/commit/572773c4315e23e51e30115151cb091749a8d03e
• https://github.com/DTStack/Taier/releases/tag/v1.5.0
• https://github.com/DTStack/Taier/

• Path Traversal CWE