What is CVE-2026-28372?

CVE-2026-28372 is a high-severity vulnerability in Gnu Inetutils, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.4/10. Published 2026-02-27.

How severe is CVE-2026-28372?

High severity. CVSS v3 base score is 7.4 out of 10.

Is CVE-2026-28372 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Gnu Inetutils

CVE-2026-28372

telnetd in GNU inetutils through 2.7 allows privilege escalation that can be exploited by abusing systemd service credentials support added to the login(1) implementation of util-linux in release 2.40. This is related to client control ove…

EPSS: 0.000 (0.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gnu Inetutils — versions 0

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-28372?: CVE-2026-28372 is a high-severity vulnerability in Gnu Inetutils, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.4/10. Published 2026-02-27.
How severe is CVE-2026-28372?: High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2026-28372 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.