mk-oracle: Local privilege escalation via malicious Oracle Instant Client
Summary
| CVE | CVE-2026-105331 |
|---|---|
| State | PUBLISHED |
| Assigner | Checkmk |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-08 15:17:32 UTC |
| Updated | 2026-10-09 04:18:04 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 5.2 MEDIUM from [email protected]
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-426 | CWE-829 | CWE-426 CWE-426: Untrusted Search Path | CWE-829 CWE-829: Inclusion of Functionality from Untrusted Control Sphere
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 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/E:X/C... |
| 4.0 | CNA | DECLARED | 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 |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
HighAttack Requirements
PresentPrivileges Required
LowUser Interaction
NoneConfidentiality
NoneIntegrity
NoneAvailability
NoneSub Conf.
HighSub Integrity
HighSub Availability
HighCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Checkmk GmbH | Checkmk | affected 2.5.0 2.5.0p10 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| checkmk.com/werk/22619 | [email protected] | checkmk.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.