CVE-2026-29522

HighPublic PoC

Published: 16 March 2026

Published

16 March 2026

Modified

01 May 2026

KEV Added

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Patch

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CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Score 0.0097 57.1th percentile

Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-29522 is a high-severity Path Traversal (CWE-22) vulnerability in Zwickroell Test Data Management (inferred from references). Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 42.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-12520

Vulnerability details

ZwickRoell Test Data Management versions prior to 3.0.8 contain a local file inclusion (LFI) vulnerability in the /server/node_upgrade_srv.js endpoint. An unauthenticated attacker can supply directory traversal sequences via the firmware parameter to access arbitrary files on the server, leading to…

information disclosure of sensitive system files.

CWE(s): CWE-22

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1005 Data from Local System Collection

Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.

attack.mitre.org →

Why these techniques?

LFI via unauthenticated web endpoint directly enables exploitation of public-facing application (T1190) and arbitrary local file read for data collection (T1005).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0