CVE-2026-103431
Collectl: collectl: colmux does not sanitize ansi/vt100 terminal escape sequences in data received from remote collectl instances
- State
- Published
- Severity
- 7.7 High
- Published
- Oct 1, 2026
- Updated
- Oct 1, 2026
- Reserved
- Sep 30, 2026
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]).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.7 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N | fedora |
Weaknesses
- CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences
Affected Products
| Product | Versions |
|---|---|
collectl |
|
References
- https://access.redhat.com/security/cve/CVE-2026-103431vdb-entry
- RHBZ#2543974issue-tracking
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