CVE-2026-28372telnetd 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 2.4…
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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.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-829
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
gnu inetutils gnu:inetutils | through 2.7 | NVD |
References
- https://git.hadrons.org/cgit/debian/pkgs/inetutils.git/commit/?id=3953943d8296310485f98963883a798545ab9a6cpatch
- https://lists.gnu.org/archive/html/bug-inetutils/2026-02/msg00000.htmlexploit, mailing-list, third-party-advisory
- https://lists.gnu.org/archive/html/bug-inetutils/2026-02/msg00012.htmlmailing-list, third-party-advisory
- https://www.openwall.com/lists/oss-security/2026/02/24/1mailing-list, third-party-advisory
- http://www.openwall.com/lists/oss-security/2026/02/27/3mailing-list, third-party-advisory
- http://www.openwall.com/lists/oss-security/2026/03/06/2
- http://www.openwall.com/lists/oss-security/2026/03/06/3
- http://www.openwall.com/lists/oss-security/2026/03/07/1
- http://www.openwall.com/lists/oss-security/2026/03/07/2
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.