CVE-2026-105331

mk-oracle: Local privilege escalation via malicious Oracle Instant Client

State: Published
Severity: 5.2 Medium
Published: Oct 8, 2026
Updated: Oct 9, 2026
Reserved: Oct 5, 2026

Description

Local privilege escalation in Checkmk 2.5.0 before 2.5.0p10 allows a user with access to edit the Oracle Instant Client referenced by the agent plugin 'mk-oracle' to escalate their privileges if an agent has this plugin enabled.

Scores

CVSS	Score	Vector	Source
4.0	5.2 Medium	CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H	Checkmk

Weaknesses

CWE-426 Untrusted Search Path
CWE-829 Inclusion of Functionality from Untrusted Control Sphere

Affected Products

Product	Versions
CheckmkCheckmk GmbH	2.5.0 to before 2.5.0p10Affected

References

https://checkmk.com/werk/22619vendor-advisory

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