CVE-2026-103431
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]).
- Published Oct 1, 2026
- CVSS 7.7 high
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available