Vulnerability · Published Aug 13, 2026 · Assigned by VulDB
CVE-2026-19761DTStack Taier Upload Controller UploadController.java MultipartFile.getOriginalFilename path traversal
Medium 4.7
In plain English
A medium-severity path traversal in Taier from DTStack. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
References
- VDB-389664 | DTStack Taier Upload Controller UploadController.java MultipartFile.getOriginalFilename path traversal vdb-entry, technical-description
- VDB-389664 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-19761 | CVE Analysis and Report third-party-advisory
- Submit #868965 | DTStack taier v1.4.0 Path Traversal third-party-advisory
- https://github.com/DTStack/Taier/issues/1202 issue-tracking
- https://github.com/DTStack/Taier/commit/572773c4315e23e51e30115151cb091749a8d03e patch
- https://github.com/DTStack/Taier/releases/tag/v1.5.0 patch
- https://github.com/DTStack/Taier/ product