CVE-2026-91402: Vulnerability in the Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise Edition product of Oracle Java S
CVE-2026-91402 is a low-severity flaw (CVSS 3.1) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Vulnerability in the Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JavaFX). Supported versions that are affected are Oracle Java SE: 8u503; Oracle JavaFX: 21.0.12, 25.0.4 and 27; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle JavaFX, Oracle Gr
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 3.1 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 85%) |
| CISA exploited list | No |
| Weakness | CWE-693 |
| Published | 2026-10-20 |
| Last modified | 2026-10-23 |
Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-91402?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-91402 being exploited?
CVE-2026-91402 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-91402 affect?
CVE-2026-91402 affects affected software. Severity is low (CVSS 3.1). Vulnerability in the Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JavaFX). Supported versions that are affected are Oracle Java SE: 8u503; Oracle JavaFX: 21.0.12, 25.0.4 and 27; Or
How urgent is CVE-2026-91402?
Priority 14/100. No elevated risk signals yet.