CVE-2026-114820 Oracle Java SE - Broken Access Control

Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition (affected versions: Oracle Java SE 8u511-b32, 8u511-perf-b32, 11.0.33.0.2, 17.0.21.0.2, 21.0.13.0.2, 25.0.5.0.2, 27.0.1.0.2; Oracle GraalVM for JDK 17.0.21.0.2, 21.0.13.0.2; Oracle GraalVM Enterprise Edition 21.3.20.0.2) contain an unauthorized data access and modification vulnerability caused by insecure API handling in JSSE component, letting unauthenticated network attackers create, delete, or modify critical data, exploit requires network access without authentication.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
24 October 2026
Updated
26 October 2026
Weakness
CWE-327

Vendor fix

Update to the latest available versions beyond 8u511-b32, 11.0.33.0.2, 17.0.21.0.2, 21.0.13.0.2, 25.0.5.0.2, 27.0.1.0.2, or corresponding GraalVM versions.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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