CVE-2026-105331— mk-oracle: Local privilege escalation via malicious Oracle Instant Client
Quick assessment
Affected
Checkmk GmbH Checkmk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Checkmk 2.5.0 至 2.5.0p10 版本之前存在本地权限提升漏洞。如果用户拥有编辑由代理插件 'mk-oracle' 引用的 Oracle Instant Client 的权限，并且启用了该插件，则可能导致其权限提升。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1546.012 · Image File Execution Options InjectionAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.5.0< 2.5.0p10 |
affected |
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I. Basic Information for CVE-2026-105331
Vulnerability Information
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Vulnerability Title
mk-oracle: Local privilege escalation via malicious Oracle Instant Client
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.5.0 ~ 2.5.0p10 | - |
|
II. Public POCs for CVE-2026-105331
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-105331 (1)
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V. Comments for CVE-2026-105331
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