DTStack Taier Upload Controller UploadController.java MultipartFile.getOriginalFilename path traversal
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Taier (DTStack) Fixed in 1.5.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19761
- 2026-10-03 Alias added: GHSA-5p6w-9cvf-5vx6
References
More DTStack vulnerabilities
- TI-2023-14050 An insecure permissions in /Taier/API/tenant/listTenant interface in DTStack Taier 1.3.0… CVSS 3.1HIGH 7.5
- TI-2026-16028 DTStack Taier Chunk-Check Endpoint FileChunkController.java Paths.ge path traversal CVSS 4.0MEDIUM 6.9
- TI-2026-10029 DTStack Taier Source Connection Test Endpoint LoginInterceptor.java preHandle improper authentication CVSS 4.0MEDIUM 6.9
- TI-2026-08284 DTStack Taier REST API Runtime.exec os command injection CVSS 4.0MEDIUM 5.3
- TI-2026-16029 DTStack Taier Cluster Creation ClusterController.java FileUtils.deleteDirectory path traversal CVSS 4.0MEDIUM 5.1
- TI-2026-04130 A stack overflow and DoS vulnerability in DTStack/chunjun CVSS 4.0HIGH 8.7
Sources
- CVE-2026-19761 · CVE Program
- CVE-2026-19761 · NVD
- FIRST EPSS
- GHSA-5p6w-9cvf-5vx6 · GitHub Advisory Database · CC BY 4.0
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