CVE-2026-40228

LOW

systemd 259 - Unauthenticated Terminal Injection via ANSI Escape Sequences

Title source: llm
STIX 2.1

Description

In systemd 259, systemd-journald can send ANSI escape sequences to the terminals of arbitrary users when a "logger -p emerg" command is executed, if ForwardToWall=yes is set.

References (2)

Core 2

Scores

CVSS v3 2.9
EPSS 0.0017
EPSS Percentile 7.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-669
Status published
Products (2)
systemd/systemd 259
systemd_project/systemd 259
Published Apr 10, 2026
Tracked Since Apr 10, 2026