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ID:12569 - Exploit for UNIX symbolic link following in runc - CVE-2025-31133
ID:12569 - Exploit for UNIX symbolic link following in runc - CVE-2025-31133
Published: April 10, 2026
Vulnerability identifier: #VU118104
Vulnerability risk: Low
CVE-ID: CVE-2025-31133
CWE-ID: CWE-61
Exploitation vector: Local access
Vulnerable software:
runc
runc
Link to public exploit:
Vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue within the maskedPaths feature. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Successful exploitation of this vulnerability may result in privilege escalation.
Remediation
Install updates from vendor's website.