CVE-2026-103431
highcolmux 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,…
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]).
CVSS
7.7
7.7 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N Severity source: NVD CVSS v3.1 (patrick@puiterwijk.org)
Timeline (UTC)
Published: 2026-10-01 09:17
Modified: 2026-10-01 16:17
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/security/cve/CVE-2026-103431 patrick@puiterwijk.org
- https://bugzilla.redhat.com/show_bug.cgi?id=2543974 patrick@puiterwijk.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗