CVE-2026-16526

Published: Jul 30, 2026Modified: Aug 21, 2026

8.8

Vector

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

Exploitability: 2.8 / Impact: 5.9

Source: secalert@redhat.com (Secondary)

Description

A flaw in the PCP linux_sockets module exposes an unsecured internal connection. An attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.

Related CWEs

CWE-403

Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')

A process does not close sensitive file descriptors before invoking a child process, which allows the child to perform unauthorized I/O operations using those descriptors.

References (5)

https://access.redhat.com/errata/RHSA-2026:55560

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:55617

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:55740

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2026-16526

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2506026

Source: secalert@redhat.com

Timeline

No history available yet.