CVE-2026-105331 | BDVDB-2026-384691 Detail

CheckmkCheckmk

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.

Impact#

CAPEC-471: Search Order Hijacking

Weaknesses#

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

References#

https://checkmk.com/werk/22619

Exploit#

No public exploit known

History#

Version 12026-10-08Record published in the CVE List.
Version 22026-10-09Most recent update recorded in the CVE List.

Published

Published: 2026-10-08
Last modified: 2026-10-09

Vendor information

Vendor: Checkmk
Product: Checkmk

All Checkmk vulnerabilities

Score

5.2 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2.5.0 and < 2.5.0p10
Fixed
2.5.0p10

Scoring System

CVSS v4.0

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

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Attack Requirements	Present
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).