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CVE-2026-4233— ThingsGateway download path traversal

Quick assessment

Affected
n/a ThingsGateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ThingsGateway是ThingsGateway开源的一个工业物联网边缘计算网关。 ThingsGateway 12版本存在路径遍历漏洞，该漏洞源于对文件/api/file/download中参数fileName的操作不当，可能导致路径遍历攻击。

CVSS 4.3 · Medium EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-4233

Vulnerability Information
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Vulnerability Title
ThingsGateway download path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in ThingsGateway 12. This affects an unknown part of the file /api/file/download. The manipulation of the argument fileName leads to path traversal. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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
ThingsGateway 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ThingsGateway是ThingsGateway开源的一个工业物联网边缘计算网关。 ThingsGateway 12版本存在路径遍历漏洞，该漏洞源于对文件/api/file/download中参数fileName的操作不当，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
- ThingsGateway 12 -

II. Public POCs for CVE-2026-4233

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III. Intelligence Information for CVE-2026-4233

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Vendor Advisories for CVE-2026-4233 (1)

Same Patch Batch · n/a · 2026-03-16 · 21 CVEs total

CVE-2026-4234 6.3 MEDIUM SSCMS DDL SitesAddController.Submit.cs sql injection
CVE-2026-4240 5.3 MEDIUM Open5GS CCA smf_s6b_sta_cb denial of service
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CVE-2025-66687 Doom Launcher 安全漏洞
CVE-2025-65734 GUnet OpenEclass 安全漏洞
CVE-2026-30405 GoBGP 安全漏洞
CVE-2025-69783 OpenEDR 安全漏洞
CVE-2025-69784 OpenEDR 安全漏洞
CVE-2025-57543 NetBox 安全漏洞

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-22

V. Comments for CVE-2026-4233

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