Improper input validation in Oracle products - CVE-2026-83400
Published: November 10, 2026
Vulnerability identifier: #VU163814
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-83400
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The vulnerability exists due to improper input validation within the JAXP component in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.
Affected software
Oracle Java SE
Oracle GraalVM for JDK
Oracle GraalVM Enterprise Edition
Oracle GraalVM for JDK
Oracle GraalVM Enterprise Edition
How to mitigate CVE-2026-83400
Install updates from vendor's website.