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Vulnerability record · CVE-2026-42453 · published 8 May 2026

CVE-2026-42453: Command injection vulnerability

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to version 2.1.0, the extractArchive and compressFiles endpoints in file-manager.ts use double-quoted strings for shell command construction, unlike all other file manager operations which use single-quote escaping. Double quotes allow $(command) substitution, enabling command injection on the remote SSH host. This issue has been patched in version 2.1.0.

8.7 CVSS 4.0 High EPSS 1.6% · top 25.9% CWE-77 · Command injection Deferred
8.7CVSS 4.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
25 Jul 2026Last modified by NVD

Description

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to version 2.1.0, the extractArchive and compressFiles endpoints in file-manager.ts use double-quoted strings for shell command construction, unlike all other file manager operations which use single-quote escaping. Double quotes allow $(command) substitution, enabling command injection on the remote SSH host. This issue has been patched in version 2.1.0.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/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:

References

LinkTags
https://github.com/Termix-SSH/Termix/releases/tag/release-2.1.0-tag
https://github.com/Termix-SSH/Termix/security/advisories/GHSA-rvg4-7vvq-9c2w
https://github.com/Termix-SSH/Termix/security/advisories/GHSA-rvg4-7vvq-9c2w

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Source: NIST National Vulnerability Database (record CVE-2026-42453), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.