What is CVE-2026-46968?

CVE-2026-46968 is a medium-severity vulnerability in Oracle Graalvm, classified under Improper Access Control. CVSS score: 5.9/10. Published 2026-07-21.

How severe is CVE-2026-46968?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Oracle Graalvm

CVE-2026-46968

Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

EPSS: 0.003 (21.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Oracle Graalvm — versions 21.3.18
Oracle Graalvm_for_jdk — versions 17.0.19, 21.0.11
Oracle Jdk — versions 1.8.0, 11.0.31, 17.0.19
Oracle Jre — versions 1.8.0, 11.0.31, 17.0.19
Oracle Corporation Java Se — versions 8u491, 8u491-perf, 11.0.31

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

secalert_us@oracle.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-46968?: CVE-2026-46968 is a medium-severity vulnerability in Oracle Graalvm, classified under Improper Access Control. CVSS score: 5.9/10. Published 2026-07-21.
How severe is CVE-2026-46968?: Medium severity. CVSS v3 base score is 5.9 out of 10.