CVE-2026-117611
HIGH
MEDIUM
Priority: 0.00
BB Relevance:
74/100
Published: 2026-10-29
Modified: 2026-10-29
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
X
AT:
Present
VC:
Low
VI:
Low
VA:
None
Description
Improper certificate validation in Checkmk <2.5.0p18, <2.4.0p39, <2.3.0p52 and 2.2.0 (EOL): the Certificate Authority stores bundled with "certifi" and "webpki-roots" include a root CA that trusts eMudhra (emSign) intermediate certificates whose private keys are public.
Weakness Classification (2)
Affected Software (4)
| Vendor | Product | Version |
|---|---|---|
| Checkmk GmbH | Checkmk | 2.5.0 < 2.5.0p18 |
| Checkmk GmbH | Checkmk | 2.4.0 < 2.4.0p39 |
| Checkmk GmbH | Checkmk | 2.3.0 < 2.3.0p52 |
| Checkmk GmbH | Checkmk | 2.2.0 |
References & Advisories (3)
vendor-advisory
vendor-advisory
third-party-advisory