Livestatus injection in monitoring quicksearch
Priority LOW 25CWE-140Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Livestatus injection in the monitoring quicksearch in Checkmk <2.5.0b4 allows an authenticated attacker to inject livestatus commands via the search query due to insufficient input sanitization in search filter plugins.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00178 7th percentileScored 2026-11-07
Fix Fixed Checkmk (Checkmk GmbH): 2.5.0b4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.5.0 to before 2.5.0b4 | 2.5.0b4 | Patch available | CNA |
- Checkmk VendorCheckmk GmbH Affected 2.5.0 to before 2.5.0b4 Fixed in 2.5.0b4 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:* | 2.5.0 b1 | Vulnerable | Checkmk GmbH |
| cpe:2.3:a:checkmk:checkmk:2.5.0:b2:*:*:*:*:*:* | 2.5.0 b2 | Vulnerable | Checkmk GmbH |
| cpe:2.3:a:checkmk:checkmk:2.5.0:b3:*:*:*:*:*:* | 2.5.0 b3 | Vulnerable | Checkmk GmbH |
- cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:* Versions 2.5.0 b1 Vulnerable ·Checkmk GmbH
- cpe:2.3:a:checkmk:checkmk:2.5.0:b2:*:*:*:*:*:* Versions 2.5.0 b2 Vulnerable ·Checkmk GmbH
- cpe:2.3:a:checkmk:checkmk:2.5.0:b3:*:*:*:*:*:* Versions 2.5.0 b3 Vulnerable ·Checkmk GmbH
Remediation
- Fix · CNA Checkmk (Checkmk GmbH) Fixed in 2.5.0b4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-33455
- 2026-10-03 Alias added: GHSA-p2v5-ghx9-jg75
References
Advisory 1
More Checkmk GmbH Checkmk vulnerabilities
- TI-2025-26345 Cross Site Scripting through compromised remote site CVSS 4.0HIGH 8.5
- TI-2025-40190 Cross-site scripting in HTML logs of Synthetic Monitoring test services CVSS 4.0HIGH 7.3
- TI-2024-19037 Brute-force protection ineffective for some login methods CVSS 3.1CRITICAL 9.8
- TI-2024-05712 local IP restriction of internal HTTP endpoints CVSS 3.1CRITICAL 9.8
- TI-2021-17818 The web management console of CheckMK Enterprise Edition (versions 1.5.0 to 2.0.0p9) does… CVSS 3.1HIGH 8.8
- TI-2021-17817 The web management console of CheckMK Raw Edition (versions 1.5.0 to 1.6.0) allows a… CVSS 3.1HIGH 8.8
Sources
- CVE-2026-33455 · CVE Program
- CVE-2026-33455 · NVD
- FIRST EPSS
- GHSA-p2v5-ghx9-jg75 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences