SB20261108179 - Multiple vulnerabilities in Oracle GraalVM for JDK

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2026-83368)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a remote non-authenticated attacker to read, manipulate or delete data.

The vulnerability exists due to improper input validation within the Compiler component in Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to read, manipulate or delete data.

2) Improper input validation (CVE-ID: CVE-2026-83408)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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]

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.

3) Improper input validation (CVE-ID: CVE-2026-83357)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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]

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.

Remediation

Install update from vendor's website.

References

• https://www.oracle.com/security-alerts/cspusep2026.html