Trust of compromised eMudhra root CA in bundled CA stores
Impact
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.
Source excerpt · CheckmkAffected packages
Affected products
Vendor version evidence. Product records are separate from automatic dependency matching.
Checkmk GmbH · Checkmk
Checkmk
4 ranges
Checkmk GmbH · Checkmk
Checkmk
Compare with this publisher’s ranges. This does not inspect your installation.
affected
2.5.0 → before 2.5.0p18
semver versions
2.4.0 → before 2.4.0p39
semver versions
2.3.0 → before 2.3.0p52
semver versions
2.2.0
semver versions
Other versions: unaffected
Original source 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.
Inside the record
Evidence available
Describes the evidence in this view, not whether the product is safe.
Original records
CVE-2026-117611View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.
cve.new JSON →Environment requirements
These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.
Checkmk · platform conditions
Any condition may hold
Vulnerable product
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*From (inclusive): 2.5.0
Before: 2.5.0p18
Vulnerable product
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*From (inclusive): 2.4.0
Before: 2.4.0p39
Vulnerable product
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*From (inclusive): 2.3.0
Before: 2.3.0p52
Vulnerable product
cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*Original applicability statements
[
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.5.0",
"versionEndExcluding": "2.5.0p18"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.4.0",
"versionEndExcluding": "2.4.0p39"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.3.0",
"versionEndExcluding": "2.3.0p52"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*"
}
]
}
]
}
]Contributing organizations · 2
Assigning organization
Additional data publisher
What changed
Follow changesLarge field values are marked as truncated previews. Original source snapshots remain retained.