Path Traversal in Dtstack Taier
CVE-2026-19761
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (40.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Dtstack Taier — versions 1.4.0, 1.5.0
Weakness classification (CWE)
References
- vuldb.com/vuln/389664 (technical-description, vdb-entry)
- vuldb.com/vuln/389664/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19761 (third-party-advisory)
- vuldb.com/submit/868965 (third-party-advisory)
- github.com/DTStack/Taier/issues/1202 (issue-tracking)
- github.com/DTStack/Taier/commit/572773c4315e23e51e30115151cb091749a8d03e (patch)
- github.com/DTStack/Taier/releases/tag/v1.5.0 (patch)
- github.com/DTStack/Taier/ (product)
Frequently asked questions
- What is CVE-2026-19761?
- CVE-2026-19761 is a medium-severity vulnerability in Dtstack Taier, classified under Path Traversal. CVSS score: 4.7/10. Published 2026-08-14.
- How severe is CVE-2026-19761?
- Medium severity. CVSS v3 base score is 4.7 out of 10.