CVE-2026-67433

MEDIUM CVSS 4.0: 5.8 EPSS 0.08%
Updated Jul 30, 2026
Python
Parameter Value
CVSS 5.8 (MEDIUM)
Type CWE-367 (Time-of-check Time-of-use (TOCTOU)), CWE-59 (Improper Link Resolution)
Vendor Python
Public PoC No

Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring systems. In version 6.0.0, the logfile check legacy database migration moved a predictable path from /tmp with os.rename() and allowed a local user controlling the plugin account to place a symlink that would be followed by sqlite3.connect() during a root-run check.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
Low
Partial disruption

CVSS Vector v4.0