CVE-2026-33456CWE-140

CVE-2026-33456

High · published April 10, 2026

CVSS v3.1
7.6
EPSS
0%
Percentile
25.8
In the wild
Unconfirmed
What it is

Livestatus injection in the notification test mode in Checkmk <2.5.0b4 and <2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description.

The record
Technical detail
CVSS v3.1
7.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00337 · 25.8th percentile
Weakness
CWE-140 · Improper Neutralization of Delimiters
Published
2026-04-10T13:16Z
Affected products (35)
ProductVersionsFixed in
checkmk/checkmkall versions—
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References (1)
https://checkmk.com/werk/17989 · [email protected]
EPSS history
Timeline
  • 10 APR 08:31Z
    Potential livestatus injection in notification test
    cvelistv5