CVE-2026-19761: Path Traversal in DTStack Taier
CVE-2026-19761 is a path traversal vulnerability in DTStack Taier version 1.4.0. It affects the MultipartFile.getOriginalFilename function in the UploadController component, allowing remote attackers to manipulate file paths. Upgrading to version 1.5.0 addresses this issue.
AI Analysis
Technical Summary
The vulnerability exists in DTStack Taier 1.4.0 within the MultipartFile.getOriginalFilename method of UploadController.java. By manipulating the File argument, an attacker can perform a path traversal attack, potentially accessing unauthorized files on the system. This vulnerability can be exploited remotely. The issue is fixed in version 1.5.0, with patch identifier 572773c4315e23e51e30115151cb091749a8d03e.
Potential Impact
An attacker with high privileges can exploit this vulnerability remotely to perform path traversal, which may lead to unauthorized access to files outside the intended directory. The CVSS 4.0 base score is 5.1, indicating a medium severity impact with low confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Upgrade DTStack Taier from version 1.4.0 to version 1.5.0, which contains the official fix for this path traversal vulnerability. No other mitigation is indicated by the vendor advisory.
CVE-2026-19761: Path Traversal in DTStack Taier
Description
CVE-2026-19761 is a path traversal vulnerability in DTStack Taier version 1.4.0. It affects the MultipartFile.getOriginalFilename function in the UploadController component, allowing remote attackers to manipulate file paths. Upgrading to version 1.5.0 addresses this issue.
CVSS v4.0
Score 5.1medium
Affected software
cpe:2.3:a:dtstack:taier:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability exists in DTStack Taier 1.4.0 within the MultipartFile.getOriginalFilename method of UploadController.java. By manipulating the File argument, an attacker can perform a path traversal attack, potentially accessing unauthorized files on the system. This vulnerability can be exploited remotely. The issue is fixed in version 1.5.0, with patch identifier 572773c4315e23e51e30115151cb091749a8d03e.
Potential Impact
An attacker with high privileges can exploit this vulnerability remotely to perform path traversal, which may lead to unauthorized access to files outside the intended directory. The CVSS 4.0 base score is 5.1, indicating a medium severity impact with low confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Upgrade DTStack Taier from version 1.4.0 to version 1.5.0, which contains the official fix for this path traversal vulnerability. No other mitigation is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-13T16:43:56.263Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7e5d42bf8831d539ff0b75
Added to database: 08/14/2026, 00:11:46 UTC
Last enriched: 08/21/2026, 14:05:17 UTC
Last updated: 09/07/2026, 22:52:10 UTC
Views: 59
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