CVE-2026-103431CWE-150

CVE-2026-103431

High · published October 1, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
7.3
In the wild
Unconfirmed
What it is

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]).

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00181 · 7.3th percentile
Weakness
CWE-150 · Improper Neutralization of Escape, Meta, or Control Sequences
Published
2026-10-01T13:17Z
References (2)
https://access.redhat.com/security/cve/CVE-2026-103431 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2543974 · [email protected]
EPSS history
Timeline
  • 03 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 01 OCT 08:35Z
    Collectl: collectl: colmux does not sanitize ansi/vt100 terminal escape sequences in data received from remote collectl instances
    cvelistv5