Improper input validation in Oracle products - CVE-2026-91397
Published: November 10, 2026
Vulnerability identifier: #VU163836
CSH Severity: Low
CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91397
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local non-authenticated attacker to manipulate or delete data.
The vulnerability exists due to improper input validation within the Serviceability component in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. A local 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-2026-91397
Install updates from vendor's website.