Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit 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 partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also 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. CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).
Fix
Public exploits 1
- George0Papasotiriou/CVE-2026-22018-Jenkins-Pipeline-Shared-Library-Code-Execution-via-Grab- PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://www.oracle.com/security-alerts/cpuapr2026.html Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 3.7 · oracleNVD modified 2026-10-26 22:10
Affected (CPE criteria) 19
cpe:2.3:a:oracle:jre:1.8.0:update481:*:*:-:*:*:*cpe:2.3:a:oracle:jre:1.8.0:update481:*:*:enterprise_performance_pack:*:*:*cpe:2.3:a:oracle:jre:1.8.0:update481_b50:*:*:-:*:*:*cpe:2.3:a:oracle:jre:11.0.30:*:*:*:*:*:*:*cpe:2.3:a:oracle:jre:17.0.18:*:*:*:*:*:*:*cpe:2.3:a:oracle:jre:21.0.10:*:*:*:*:*:*:*cpe:2.3:a:oracle:jre:25.0.2:*:*:*:*:*:*:*cpe:2.3:a:oracle:jre:26:*:*:*:*:*:*:*cpe:2.3:a:oracle:jdk:1.8.0:update481:*:*:-:*:*:*cpe:2.3:a:oracle:jdk:1.8.0:update481:*:*:enterprise_performance_pack:*:*:*cpe:2.3:a:oracle:jdk:1.8.0:update481_b50:*:*:-:*:*:*cpe:2.3:a:oracle:jdk:11.0.30:*:*:*:*:*:*:*cpe:2.3:a:oracle:jdk:17.0.18:*:*:*:*:*:*:*cpe:2.3:a:oracle:jdk:21.0.10:*:*:*:*:*:*:*cpe:2.3:a:oracle:jdk:25.0.2:*:*:*:*:*:*:*cpe:2.3:a:oracle:jdk:26:*:*:*:*:*:*:*cpe:2.3:a:oracle:graalvm:21.3.17:*:*:*:enterprise:*:*:*cpe:2.3:a:oracle:graalvm_for_jdk:17.0.18:*:*:*:*:*:*:*cpe:2.3:a:oracle:graalvm_for_jdk:21.0.10:*:*:*:*:*:*:*
References 1
- https://www.oracle.com/security-alerts/cpuapr2026.html Vendor Advisory