Improper input validation in Oracle GraalVM for JDK - CVE-2026-83357
Published: November 8, 2026
Vulnerability identifier: #VU162438
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-83357
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Compiler component in Oracle GraalVM for JDK. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
Affected software
Oracle GraalVM for JDK
How to mitigate CVE-2026-83357
Install updates from vendor's website.