CVE-2026-91142

low

Description

A flaw was found in Cockpit. An authenticated local user with a large user identifier (UID) can cause unauthorized modification and disclosure of login records. On 32-bit systems, an integer overflow during session accounting allows the user's login process to read or overwrite the legacy log entries of other accounts.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-83176

https://bugzilla.redhat.com/show_bug.cgi?id=2479459

https://access.redhat.com/security/cve/CVE-2026-91142

Details

Source: Mitre, NVD

Published: 2026-09-18

Updated: 2026-10-16

Risk Information

CVSS v2

Base Score: 2.4

Vector: CVSS2#AV:L/AC:H/Au:S/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.6

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

Severity: Low

EPSS

EPSS: 0.00119