Improper input validation in Oracle products - CVE-2026-91463
Published: November 10, 2026
Vulnerability identifier: #VU163815
CSH Severity: Medium
CVSS v4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91463
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 gain access to sensitive information.
The vulnerability exists due to improper input validation within the JGSS component in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
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-2026-91463
Install updates from vendor's website.