CVE-2026-47013Network attack vector

Unauthenticated partial service interruption

Published Jul 21, 2026 · Updated Jul 21, 2026

Resource exhaustion in JavaFX in Oracle Java SE 8u491 allows remote attackers to cause a partial service interruption via multiple protocols. Oracle has not disclosed the affected JavaFX API or the operation that consumes resources without a limit or throttle. Exposure requires an application or web service to pass untrusted data to JavaFX APIs, or a sandboxed Java Web Start application or applet to load untrusted code.

CVSS severity5.3
Medium
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in JavaFX in Oracle Java SE 8u491 allows remote attackers to cause a partial service interruption via multiple protocols. Oracle has not disclosed the affected JavaFX API or the operation that consumes resources without a limit or throttle. Exposure requires an application or web service to pass untrusted data to JavaFX APIs, or a sandboxed Java Web Start application or applet to load untrusted code.

The record

CVE
CVE-2026-47013
Published
Jul 21, 2026
Updated
Jul 21, 2026
Vendor
Oracle
Product
Java Platform, Standard Edition (Java SE)
Classifications
CWE-770, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8u491

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Java Platform, Standard Edition (Java SE)version=8u491

Published CVSS scores

5.3OracleCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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