CVE-2026-62440 (GCVE-0-2026-62440)
Vulnerability from cvelistv5 – Published: 2026-08-21 08:23 – Updated: 2026-08-21 08:23
VLAI
EPSS
VEX
Title
Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulation
Summary
Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes.
This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0.
Users are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue.
Severity
No CVSS data available.
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/g6cwddtjrwbh1d56w… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apache Software Foundation | Apache CloudStack |
Affected:
4.21.0.0 , ≤ 4.22.1.0
(semver)
|
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Apache CloudStack",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThanOrEqual": "4.22.1.0",
"status": "affected",
"version": "4.21.0.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "George Chen (GitHub: geo-chen)"
},
{
"lang": "en",
"type": "reporter",
"value": "D0HY30N (GitHub: D0HY30N)"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eImproper Access Control vulnerability in Apache CloudStack\u0027s Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes.\u003c/p\u003e\u003cp\u003eThis issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue.\u003c/p\u003e"
}
],
"value": "Improper Access Control vulnerability in Apache CloudStack\u0027s Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes.\n\nThis issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue."
}
],
"metrics": [
{
"other": {
"content": {
"text": "important"
},
"type": "Textual description of severity"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-21T08:23:55.427Z",
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulation",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"assignerShortName": "apache",
"cveId": "CVE-2026-62440",
"datePublished": "2026-08-21T08:23:55.427Z",
"dateReserved": "2026-07-14T14:34:44.941Z",
"dateUpdated": "2026-08-21T08:23:55.427Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-62440",
"date": "2026-08-24",
"epss": "0.00132",
"percentile": "0.0298"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-62440\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2026-08-21T09:16:39.963\",\"lastModified\":\"2026-08-24T16:37:45.780\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improper Access Control vulnerability in Apache CloudStack\u0027s Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes.\\n\\nThis issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0.\\n\\nUsers are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue.\"}],\"affected\":[{\"source\":\"security@apache.org\",\"affectedData\":[{\"vendor\":\"Apache Software Foundation\",\"product\":\"Apache CloudStack\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"4.21.0.0\",\"lessThanOrEqual\":\"4.22.1.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"weaknesses\":[{\"source\":\"security@apache.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"references\":[{\"url\":\"https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc\",\"source\":\"security@apache.org\"}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…