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TI-2026-16027 Aliases CVE-2026-19761GHSA-5p6w-9cvf-5vx6

DTStack Taier Upload Controller UploadController.java MultipartFile.getOriginalFilename path traversal

Priority MEDIUM 56CWE-22Published · Updated

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

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00507 43rd percentileScored 2026-11-07
Fix Fixed Taier (DTStack): 1.5.0

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

VendorProductAffected versionsFixed inStatusSource
DTStackTaier1.4.01.5.0Patch availableCNA
  • Taier VendorDTStack Affected 1.4.0 Fixed in 1.5.0 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:dtstack:taier:*:*:*:*:*:*:*:*——DTStack
  • cpe:2.3:a:dtstack:taier:*:*:*:*:*:*:*:* Versions — — ·DTStack

Remediation

  • Fix · CNA Taier (DTStack) Fixed in 1.5.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-19761
  2. 2026-10-03 Alias added: GHSA-5p6w-9cvf-5vx6

References

  • 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