What is CVE-2026-3184?

CVE-2026-3184 is a low-severity vulnerability in Kernel Util-linux, classified under CWE-289. CVSS score: 3.7/10. Published 2026-04-03.

How severe is CVE-2026-3184?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Kernel Util-linux

CVE-2026-3184

A flaw was found in util-linux. Improper hostname canonicalization in the `login(1)` utility, when invoked with the `-h` option, can modify the supplied remote hostname before setting `PAM_RHOST`. A remote attacker could exploit this by pr…

EPSS: 0.001 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-289

References

RHSA-2026:7180 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
RHBZ#2442570 (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2026-3184?: CVE-2026-3184 is a low-severity vulnerability in Kernel Util-linux, classified under CWE-289. CVSS score: 3.7/10. Published 2026-04-03.
How severe is CVE-2026-3184?: Low severity. CVSS v3 base score is 3.7 out of 10.