CVE-2025-5187 (GCVE-0-2025-5187)
Vulnerability from cvelistv5 – Published: 2025-08-27 16:20 – Updated: 2026-02-26 17:47
VLAI
EPSS
VEX
Title
Nodes can delete themselves by adding an OwnerReference
Summary
A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-28 03:55 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kubernetes/kubernetes/issues/133471 | issue-tracking |
| https://groups.google.com/g/kubernetes-security-a… | mailing-list |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Kubernetes | Kubernetes |
Affected:
v1.31.0 , ≤ v1.31.11
(custom)
Affected: v1.32.0 , ≤ v1.32.7 (custom) Affected: v1.33.0 , ≤ v1.33.3 (custom) |
guessed |
Date Public
2025-08-13 20:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-5187",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-28T03:55:27.614711Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T17:47:59.242Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Kubernetes",
"vendor": "Kubernetes",
"versions": [
{
"lessThanOrEqual": "v1.31.11",
"status": "affected",
"version": "v1.31.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "v1.32.7",
"status": "affected",
"version": "v1.32.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "v1.33.3",
"status": "affected",
"version": "v1.33.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Paul Viossat"
}
],
"datePublic": "2025-08-13T20:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
}
],
"value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
}
],
"impacts": [
{
"capecId": "CAPEC-554",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-554 Functionality Bypass"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-27T16:20:56.778Z",
"orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
"shortName": "kubernetes"
},
"references": [
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/kubernetes/kubernetes/issues/133471"
},
{
"tags": [
"mailing-list"
],
"url": "https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "To mitigate this vulnerability, upgrade Kubernetes: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\"\u003ehttps://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\u003c/a\u003e\u003cbr\u003e"
}
],
"value": "To mitigate this vulnerability, upgrade Kubernetes: https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "Nodes can delete themselves by adding an OwnerReference",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
"assignerShortName": "kubernetes",
"cveId": "CVE-2025-5187",
"datePublished": "2025-08-27T16:20:56.778Z",
"dateReserved": "2025-05-25T18:24:14.173Z",
"dateUpdated": "2026-02-26T17:47:59.242Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-5187",
"date": "2026-09-18",
"epss": "0.00543",
"percentile": "0.4446"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Kubernetes",
"vendor": "Kubernetes",
"versions": [
{
"lessThanOrEqual": "v1.31.11",
"status": "affected",
"version": "v1.31.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "v1.32.7",
"status": "affected",
"version": "v1.32.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "v1.33.3",
"status": "affected",
"version": "v1.33.0",
"versionType": "custom"
}
]
}
],
"source": "jordan@liggitt.net"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad en el controlador de admisi\u00f3n NodeRestriction de los cl\u00fasteres de Kubernetes, donde los usuarios de los nodos pueden eliminar su objeto de nodo correspondiente al aplicar una referencia de propietario a un recurso del cl\u00faster. Si el recurso OwnerReference no existe o se elimina posteriormente, el objeto de nodo en cuesti\u00f3n se eliminar\u00e1 mediante la recolecci\u00f3n de elementos no utilizados."
}
],
"id": "CVE-2025-5187",
"lastModified": "2026-06-17T09:47:25.080",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 5.5,
"source": "jordan@liggitt.net",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-5187",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-28T03:55:27.614711Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-08-27T17:15:48.270",
"references": [
{
"source": "jordan@liggitt.net",
"url": "https://github.com/kubernetes/kubernetes/issues/133471"
},
{
"source": "jordan@liggitt.net",
"url": "https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE"
}
],
"sourceIdentifier": "jordan@liggitt.net",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-863"
}
],
"source": "jordan@liggitt.net",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:04:43+00:00",
"cve": "CVE-2025-5187",
"id": "CVE-2025-5187",
"initial_release_date": "2025-08-12T16:00:00+00:00",
"product_status:fixed": "8",
"product_status:known_affected": "31",
"product_status:known_not_affected": "1296",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kubernetes: kube-apiserver: Nodes can delete themselves by adding an OwnerReference",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-5187.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-12T16:54:32Z",
"cve": "CVE-2025-5187",
"id": "CVE-2025-5187",
"initial_release_date": "2025-08-27T23:30:22Z",
"product_status:known_not_affected": "441",
"product_status:recommended": "1",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2025-5187",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-5187.json",
"version": "9"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-5187",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-28T03:55:27.614711Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-27T17:20:49.729Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Kubernetes",
"vendor": "Kubernetes",
"versions": [
{
"lessThanOrEqual": "v1.31.11",
"status": "affected",
"version": "v1.31.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "v1.32.7",
"status": "affected",
"version": "v1.32.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "v1.33.3",
"status": "affected",
"version": "v1.33.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Paul Viossat"
}
],
"datePublic": "2025-08-13T20:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
}
],
"value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
}
],
"impacts": [
{
"capecId": "CAPEC-554",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-554 Functionality Bypass"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-27T16:20:56.778Z",
"orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
"shortName": "kubernetes"
},
"references": [
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/kubernetes/kubernetes/issues/133471"
},
{
"tags": [
"mailing-list"
],
"url": "https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "To mitigate this vulnerability, upgrade Kubernetes: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\"\u003ehttps://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\u003c/a\u003e\u003cbr\u003e"
}
],
"value": "To mitigate this vulnerability, upgrade Kubernetes: https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "Nodes can delete themselves by adding an OwnerReference",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
"assignerShortName": "kubernetes",
"cveId": "CVE-2025-5187",
"datePublished": "2025-08-27T16:20:56.778Z",
"dateReserved": "2025-05-25T18:24:14.173Z",
"dateUpdated": "2026-02-26T17:47:59.242Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…