CVE-2026-22008Network attack vector

Unauthenticated modification of accessible data

Published Apr 21, 2026 · Updated Apr 21, 2026

Privilege-boundary flaw in Oracle Java SE 25.0.1 Libraries allows remote attackers to update, insert, or delete some Java-accessible data. Oracle has not disclosed the affected library routine or the incorrect operation it performs on untrusted input. Exploitation requires network-delivered untrusted code in a sandboxed Java Web Start or applet client; trusted-code server deployments are unaffected.

CVSS severity3.7
Low
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege-boundary flaw in Oracle Java SE 25.0.1 Libraries allows remote attackers to update, insert, or delete some Java-accessible data. Oracle has not disclosed the affected library routine or the incorrect operation it performs on untrusted input. Exploitation requires network-delivered untrusted code in a sandboxed Java Web Start or applet client; trusted-code server deployments are unaffected.

The record

CVE
CVE-2026-22008
Published
Apr 21, 2026
Updated
Apr 21, 2026
Vendor
Oracle Corporation
Product
Java Platform, Standard Edition (Java SE)
Classifications
CWE-250, T1068
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 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=25.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Java Platform, Standard Edition (Java SE)version=25.0.1

Published CVSS scores

3.7Oracle CorporationCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-250Execution with Unnecessary Privileges
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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