MinorCritical vulnerability

CVE-2026-103431 (CVSS 7.7)

NVD · officialPublished Oct 1, 2026Risk 23/100

colmux in collectl before 4.3.20.2 does not sanitize ANSI/VT100 terminal escape sequences in data received from remote collectl instances before displaying it, allowing a local user on a monitored host to inject escape sequences into the terminal of an operator running colmux, via a crafted process name (argv[0]).

Technical details

CVSS

7.7

AV:NetworkAC:HighPR:LowUI:RequiredC:HighI:HighA:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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