Vulnerability · Published Apr 10, 2026 · Assigned by mitre
CVE-2026-40228
Low 2.9
In plain English
A low-severity security flaw in systemd from systemd. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)2.9Low
Exploit odds (30 days)0.2%top 93.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | systemd | no fix listed | DEBIAN-CVE-2026-40228 |
| Debian:13 | systemd | no fix listed | DEBIAN-CVE-2026-40228 |
| Debian:14 | systemd | no fix listed | DEBIAN-CVE-2026-40228 |
| Ubuntu:22.04:LTS | systemd | no fix listed | UBUNTU-CVE-2026-40228 |
| Ubuntu:24.04:LTS | systemd | no fix listed | UBUNTU-CVE-2026-40228 |
| Ubuntu:25.10 | systemd | no fix listed | UBUNTU-CVE-2026-40228 |
| Ubuntu:26.04:LTS | systemd | no fix listed | UBUNTU-CVE-2026-40228 |
| Ubuntu:26.10 | systemd | no fix listed | UBUNTU-CVE-2026-40228 |
Affected products (as reported)
Weakness: CWE-669 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N