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CVE-2026-19762— DTStack Taier Chunk-Check Endpoint FileChunkController.java Paths.ge path traversal

Quick assessment

Affected
DTStack Taier
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DTStack Taier是中国DTStack公司的一个大数据处理平台。 DTStack Taier 1.4.0版本存在路径遍历漏洞，该漏洞源于Chunk-Check Endpoint组件中FileChunkController.java文件的Paths.ge函数对参数Name处理不当，可能导致路径遍历攻击。

CVSS 7.3 · High EPSS 0.61% · P49

Affected Version Matrix 1

VendorProduct Version RangeStatus
DTStack Taier 1.4.0 affected
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I. Basic Information for CVE-2026-19762

Vulnerability Information
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Vulnerability Title
DTStack Taier Chunk-Check Endpoint FileChunkController.java Paths.ge path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in DTStack Taier 1.4.0. Affected by this vulnerability is the function Paths.ge of the file FileChunkController.java of the component Chunk-Check Endpoint. The manipulation of the argument Name results in path traversal. The attack may be launched remotely. The exploit has been made public and could be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
DTStack Taier 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DTStack Taier是中国DTStack公司的一个大数据处理平台。 DTStack Taier 1.4.0版本存在路径遍历漏洞，该漏洞源于Chunk-Check Endpoint组件中FileChunkController.java文件的Paths.ge函数对参数Name处理不当，可能导致路径遍历攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
DTStack Taier 1.4.0 cpe:2.3:a:dtstack:taier:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19762

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7070 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-19762

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Vendor Advisories for CVE-2026-19762 (1)

News Coverage for CVE-2026-19762 (1)

Vendor Pages for CVE-2026-19762 (1)

Other References for CVE-2026-19762 (2)

IV. Related Vulnerabilities

Same product: Taier
Same vendor: DTStack
Same weakness: CWE-22

V. Comments for CVE-2026-19762

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