CVE-2026-91142
Cockpit: cockpit: unauthorized modification of login records via integer overflow
- State
- Published
- Severity
- 3.6 Low
- Published
- Sep 18, 2026
- Updated
- Oct 16, 2026
- Reserved
- Sep 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 3.6 Low | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N | redhat |
Weaknesses
- CWE-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat OpenShift Dev SpacesRed Hat | |
Red Hat OpenShift Dev SpacesRed Hat | |
Red Hat OpenShift Dev SpacesRed Hat |
References
- https://access.redhat.com/security/cve/CVE-2026-91142vdb-entry
- RHBZ#2479459issue-tracking
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