The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of     Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u471,     8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9;
    Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable vulnerability allows unauthenticated     attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK,     Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized     ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM     for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments,     typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load     and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for     security. This vulnerability does not apply to Java deployments, typically in servers, that load and run     only trusted code (e.g., code installed by an administrator). (CVE-2026-21945)

  - A Blind Server-Side Request Forgery (SSRF) vulnerability exists in Oracle Java 21. The vulnerability,     which leads to Denial of Service (DoS), is present in the x509 certificate path validation mechanism when     the non-default system property com.sun.security.enableAIAcaIssuers is set to true. (CVE-2026-21945)

Note that Nessus relies on the presence of the package as reported by the vendor.

Detections

Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-21945

high Nessus Plugin ID 297685

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.4 Feb 6, 2026, 8:56 AM CVSS metrics ("CVSSv2 score" set to 5.0) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P") CVSSv2 severity (based on CVE-2026-21945, severity decreased from "High" to "Medium") Detection (updated detection logic) Plugin metadata Plugin Feed: 202602060856
Version 1.3 Feb 4, 2026, 2:23 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202602041423
Version 1.2 Feb 4, 2026, 6:31 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202602040631
Version 1.1 Feb 3, 2026, 10:27 PM New Plugin Feed: 202602032227