CVE-2026-113461: mk-oracle: Local privilege escalation via insecure Oracle Home library loading

Severity: medium (CVSS 5.2 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-21 · updated 2026-10-23
Weakness: CWE-426

Description

Local privilege escalation in Checkmk 2.5.0p14 allows a local user with write access to the Oracle client library directory of an Oracle home listed in the 'oratab' file or to the 'oratab' file itself to execute code as root if an agent has the 'mk-oracle' plugin enabled.

Affected products

Checkmk GmbH Checkmk: 2.5.0p14

References

https://checkmk.com/werk/22621

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