CVE-2026-19761: Path Traversal in DTStack Taier
CVE-2026-19761 is a path traversal vulnerability in DTStack Taier version 1.4.0 affecting the MultipartFile.getOriginalFilename function in UploadController.java. This flaw allows remote attackers with high privileges to manipulate file path arguments, potentially accessing unauthorized files. The issue is resolved by upgrading to version 1.5.0.
AI Analysis
Technical Summary
The vulnerability exists in the Upload Controller component of DTStack Taier 1.4.0, specifically in the MultipartFile.getOriginalFilename method. Improper handling of the file argument enables path traversal attacks, which can be initiated remotely by an attacker with high privileges. The vendor has addressed this issue in version 1.5.0, with the patch identified by commit 572773c4315e23e51e30115151cb091749a8d03e.
Potential Impact
An attacker with high privileges can exploit this vulnerability to perform path traversal, potentially accessing or manipulating files outside the intended directory. The CVSS 4.0 base score is 5.1 (medium severity), reflecting network attack vector, low complexity, no user interaction, and limited 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 steps are 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 affecting the MultipartFile.getOriginalFilename function in UploadController.java. This flaw allows remote attackers with high privileges to manipulate file path arguments, potentially accessing unauthorized files. The issue is resolved by upgrading to version 1.5.0.
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 the Upload Controller component of DTStack Taier 1.4.0, specifically in the MultipartFile.getOriginalFilename method. Improper handling of the file argument enables path traversal attacks, which can be initiated remotely by an attacker with high privileges. The vendor has addressed this issue in version 1.5.0, with the patch identified by commit 572773c4315e23e51e30115151cb091749a8d03e.
Potential Impact
An attacker with high privileges can exploit this vulnerability to perform path traversal, potentially accessing or manipulating files outside the intended directory. The CVSS 4.0 base score is 5.1 (medium severity), reflecting network attack vector, low complexity, no user interaction, and limited 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 steps are 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: 08/14/2026, 00:30:31 UTC
Last updated: 08/14/2026, 00:47:26 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.