Improper input validation in Oracle products - CVE-2026-91411
Published: November 10, 2026
Vulnerability identifier: #VU163793
CSH Severity: Medium
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91411
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 damange or delete data.
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 damange 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-2026-91411
Install updates from vendor's website.