CVE-2026-105331

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

Published Oct 8, 2026 CVSS 4.0 · 5.2 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title mk-oracle: Local privilege escalation via malicious Oracle Instant Client
First Time appeared Checkmk
Checkmk checkmk
Weaknesses CWE-426
CWE-829
CPEs cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
Vendors & Products Checkmk
Checkmk checkmk
References
Metrics cvssV4_0

{'score': 5.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Checkmk
Published
Updated
Oct 9, 2026, 3:55 AM
Reserved
Oct 5, 2026, 10:00 AM
Status
Deferred
Published
Oct 8, 2026, 3:17 PM
Modified
Oct 9, 2026, 4:18 AM