CVE-2026-28372

Published: Feb 27, 2026Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

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 over the CREDENTIALS_DIRECTORY environment variable, and requires an unprivileged local user to create a login.noauth file.

Affected (1)

Products: Gnu: Inetutils

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Inetutils	Up to 2.7

Related CWEs

Inclusion of Functionality from Untrusted Control Sphere

The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

References (9)

https://git.hadrons.org/cgit/debian/pkgs/inetutils.git/commit/?id=3953943d8296310485f98963883a798545ab9a6c

Source: cve@mitre.org

Patch

https://lists.gnu.org/archive/html/bug-inetutils/2026-02/msg00000.html

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

https://lists.gnu.org/archive/html/bug-inetutils/2026-02/msg00012.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://www.openwall.com/lists/oss-security/2026/02/24/1

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2026/02/27/3

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2026/03/06/2

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2026/03/06/3

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2026/03/07/1

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2026/03/07/2

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.