Vulnerability from cleanstart
Published
2026-09-10 01:32
Modified
2026-09-09 09:35
Summary
ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label
Details
Multiple security vulnerabilities affect the kubernetes-dns-node-cache package. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details.
Severity
9.8 (Critical)
References
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "kubernetes-dns-node-cache"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.26.8-r5"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the kubernetes-dns-node-cache package. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-ZI93173",
"modified": "2026-09-09T09:35:46Z",
"published": "2026-09-10T01:32:39.433553Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ZI93173.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-53259"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-47950"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-58063"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-59530"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-64702"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-68151"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-26017"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-26018"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32934"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32936"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33190"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33489"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33818"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-35579"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39821"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39822"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-40898"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42505"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-46600"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56852"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56853"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56858"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56859"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56860"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56862"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56864"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56865"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/ghsa-259r-337f-4rfw"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/ghsa-hrxh-6v49-42gf"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53259"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47950"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58063"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59530"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64702"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68151"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26017"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26018"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32934"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32936"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33190"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33489"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35579"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39821"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39822"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40898"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42505"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46600"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56852"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56853"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56858"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56859"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56860"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56862"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56864"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56865"
}
],
"related": [],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label",
"upstream": [
"CVE-2024-53259",
"CVE-2025-47950",
"CVE-2025-58063",
"CVE-2025-59530",
"CVE-2025-64702",
"CVE-2025-68151",
"CVE-2026-26017",
"CVE-2026-26018",
"CVE-2026-32934",
"CVE-2026-32936",
"CVE-2026-33190",
"CVE-2026-33489",
"CVE-2026-33818",
"CVE-2026-35579",
"CVE-2026-39821",
"CVE-2026-39822",
"CVE-2026-40898",
"CVE-2026-42504",
"CVE-2026-42505",
"CVE-2026-46600",
"CVE-2026-56852",
"CVE-2026-56853",
"CVE-2026-56858",
"CVE-2026-56859",
"CVE-2026-56860",
"CVE-2026-56862",
"CVE-2026-56864",
"CVE-2026-56865",
"ghsa-259r-337f-4rfw",
"ghsa-hrxh-6v49-42gf"
]
}
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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.
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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.
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