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]).
History

Sun, 04 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Collectl
Collectl collectl
Vendors & Products Collectl
Collectl collectl

Thu, 01 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 01 Oct 2026 09:00:00 +0000

Type Values Removed Values Added
Title collectl: collectl: colmux does not sanitize ANSI/VT100 terminal escape sequences in data received from remote collectl instances Collectl: collectl: colmux does not sanitize ansi/vt100 terminal escape sequences in data received from remote collectl instances
References

Thu, 01 Oct 2026 00:15:00 +0000

Type Values Removed Values Added
Description 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]).
Title collectl: collectl: colmux does not sanitize ANSI/VT100 terminal escape sequences in data received from remote collectl instances
Weaknesses CWE-150
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N'}

threat_severity

Important


cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published: 2026-10-01T08:35:40.824Z

Updated: 2026-10-01T15:24:12.796Z

Reserved: 2026-09-30T15:19:13.980Z

Link: CVE-2026-103431

cve-icon Vulnrichment

Updated: 2026-10-01T15:24:09.200Z

cve-icon NVD

Status : Deferred

Published: 2026-10-01T09:17:07.717

Modified: 2026-10-01T16:17:36.177

Link: CVE-2026-103431

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-30T15:26:50Z

Links: CVE-2026-103431 - Bugzilla