CVE-2026-63619

Status: Awaiting AnalysisCritical (9.1)—

Severity9.1Critical · CVSS 3.1

Exploitation probability0.19 %higher than 8% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

Missing Authorization vulnerability in Apache Kylin. A backend metadata dump API misses the enough authorization and the path-confinement. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted.

This issue affects Apache Kylin: from 4 through 5.0.4.

Users are recommended to upgrade to version 5.0.5, which fixes the issue.

CVSS

Base score: 9.1
Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.19 %
Percentile among all scored CVEs: 8
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access85 %
Primary impactT1005 Data from Local Systemcollection55 %

CVSS AV:N/PR:N/UI:N y 'missing authorization' en una API de volcado de metadatos accesible desde red pública; el texto solo sustenta lectura de datos, no ejecución ni credenciales.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Filter Network Traffic Application Isolation and Sandboxing

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Apache — Kylin^AI

CWEs

CWE-862

References

Show 2 references

Raw JSON (NVD)

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          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-10-20T16:48:58.294009Z"
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          "integrityImpact": "HIGH",
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          "confidentialityImpact": "HIGH"
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        {
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  "published": "2026-10-16T13:16:57.250",
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  "lastModified": "2026-10-20T17:17:40.947",
  "sourceIdentifier": "security@apache.org"
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