Improper input validation in Oracle products - CVE-2026-91396
Published: November 10, 2026
Vulnerability identifier: #VU163798
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91396
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 manipulate or delete data.
The vulnerability exists due to improper input validation within the Utility component in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to manipulate or delete data.
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-2026-91396
Install updates from vendor's website.