How severe is CVE-2026-40228?

CVE-2026-40228 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-40228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40228?

CVE-2026-40228 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40228?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40228 have an EU (EUVD) identifier?

Yes. CVE-2026-40228 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21498.

When was CVE-2026-40228 published?

CVE-2026-40228 was published on 2026-04-10 and last updated on 2026-06-17.

CVE-2026-40228

CVE-2026-40228 is a low-severity vulnerability in Systemd Project Systemd with a CVSS 3.x base score of 2.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-669.

Key facts

Severity: Low (CVSS 3.x base score 2.9)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21498
Weakness: CWE-669
Affected product: Systemd Project Systemd
Published: 2026-04-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-40228?: 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.
How severe is CVE-2026-40228?: CVE-2026-40228 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-40228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40228?: CVE-2026-40228 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40228?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40228 have an EU (EUVD) identifier?: Yes. CVE-2026-40228 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21498.
When was CVE-2026-40228 published?: CVE-2026-40228 was published on 2026-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:systemd_project:systemd:259:-:*:*:*:*:*:*

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