Vulnerability · Published Apr 10, 2026 · Assigned by mitre
CVE-2026-40227
Medium 6.2
In plain English
A medium-severity security flaw in systemd from systemd. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.2%top 89.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:14 | systemd | 260.1-1 | DEBIAN-CVE-2026-40227 |
| Ubuntu:22.04:LTS | systemd | no fix listed | UBUNTU-CVE-2026-40227 |
| Ubuntu:24.04:LTS | systemd | no fix listed | UBUNTU-CVE-2026-40227 |
| Ubuntu:25.10 | systemd | no fix listed | UBUNTU-CVE-2026-40227 |
| Ubuntu:26.04:LTS | systemd | no fix listed | UBUNTU-CVE-2026-40227 |
Affected products (as reported)
Weakness: CWE-1025 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H