Incorrect permission assignment for critical resource in Gaia - CVE-2026-123039
Published: November 13, 2026 / Updated: November 13, 2026
Vulnerability identifier: #VU166153
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-123039
CWE-ID: CWE-732
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a local user to escalate privileges and execute arbitrary commands as root.
The vulnerability exists due to world-writable permissions (0777) and missing authentication of connecting processes in the Gaia Dynamic CLI control socket /tmp/dynamic_socket when handling local IPC requests. A local user can use existing local code execution to write a single request containing arbitrary commands to the socket, which the dynamic_server process executes as root.
Affected software
Gaia
How to mitigate CVE-2026-123039
Install security update from vendor's website.
Gaia - addressed in versions R81.20 Take 174, R82 Take 132, R82.10 Take 52, R82.20 Take 14