Medium
Insufficient permission validation on multiple REST API Quick Setup endpoints
Type: advisorySources: OSV
Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-24096
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 10:11 UTC · Revision 1
Source evidence
Insufficient permission validation on multiple REST API Quick Setup endpoints
core-osv · Original sourcePublished 1 Apr 2026, 10:07 UTC
Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information
osv:CVE-2026-24096
Complete source record
{
"id": "dcca399eb888889c6448ef4d9f06a7f7d7ff779865704e452c8e2539a91f850f",
"url": "https://osv.dev/vulnerability/CVE-2026-24096",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Insufficient permission validation on multiple REST API Quick Setup endpoints",
"summary": "Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information",
"evidence": "osv:CVE-2026-24096",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-24096",
"aliases": [
"CVE-2026-24096"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/checkmk/checkmk",
"type": "GIT",
"events": [
{
"introduced": "4abde4a41de677e103561e4fb75b81f6ee8b80dd"
},
{
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}
],
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{
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{
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{
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{
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{
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{
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:*",
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{
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{
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{
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:b3:*:*:*:*:*:*",
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{
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{
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{
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{
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{
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{
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{
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{
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:b5:*:*:*:*:*:*",
"range": [
{
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},
{
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],
"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*",
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{
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:*",
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{
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*",
"range": [
{
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},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*",
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{
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},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*",
"range": [
{
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},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0-p12"
},
{
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0-p13"
},
{
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p14:*:*:*:*:*:*",
"range": [
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},
{
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:*",
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{
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0-p16"
},
{
"last_affected": "2.4.0-p16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p17:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0-p17"
},
{
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}
],
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},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0-p18"
},
{
"last_affected": "2.4.0-p18"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:*",
"range": [
{
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},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p20:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0-p20"
},
{
"last_affected": "2.4.0-p20"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p21:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0-p21"
},
{
"last_affected": "2.4.0-p21"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p22:*:*:*:*:*:*",
"range": [
{
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},
{
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],
"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p23:*:*:*:*:*:*",
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{
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:*",
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{
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{
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{
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{
"cpe": "cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:*",
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{
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},
{
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}
],
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]
}
}
],
"versions": [
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"2.4.0-b1",
"2.4.0-b2",
"2.4.0-b3",
"2.4.0-b4",
"2.4.0-b5",
"2.4.0-b6",
"2.4.0-p10",
"2.4.0-p11",
"2.4.0-p12",
"2.4.0-p13",
"2.4.0-p14",
"2.4.0-p15",
"2.4.0-p16",
"2.4.0-p17",
"2.4.0-p18",
"2.4.0-p19",
"2.4.0-p20",
"2.4.0-p21",
"2.4.0-p22",
"2.4.0-p23",
"2.4.0-p24",
"2.4.0-p7",
"2.4.0-p8",
"2.4.0-p9",
"2.5.0-b1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24096.json"
}
}
],
"modified": "2026-10-28T02:30:27.587219851Z",
"provider": "osv",
"references": [
"https://checkmk.com/werk/18989",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24096.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-24096"
],
"provider_metadata": {
"cwe_ids": [
"CWE-280"
],
"cna_assigner": "Checkmk",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "2.5.0b1"
},
{
"fixed": "2.5.0b2"
},
{
"introduced": "2.4.0"
},
{
"fixed": "2.4.0p25"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24096.json"
}
},
"related_cves": [
{
"value": "CVE-2026-24096",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 494396,
"published_at": "2026-04-01T10:07:21.67+00:00"
}