CVE & CISA-KEV Catalog

CVE-2026-33455

MEDIUM
6.3
CVSS v3
NVD

Description

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.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploit Intelligence

0.18%probability of exploitation in 30 days
7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1
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CVE-2026-33455 severity badge

Markdown

[![CVE-2026-33455](https://tridentstack.com/cve/badge/CVE-2026-33455.svg)](https://tridentstack.com/cve/CVE-2026-33455)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-33455"><img src="https://tridentstack.com/cve/badge/CVE-2026-33455.svg" alt="CVE-2026-33455"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-20.