CVE-2026-21932
CVE-2026-21932 is a high-severity vulnerability in Oracle Graalvm with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1287.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-3577
- Weakness: CWE-1287
- Affected product: Oracle Graalvm
- Published:
- Last modified:
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: AWT, JavaFX). 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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). CVSS 3.1 Base Score 7.4 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N).
Frequently asked questions
- What is CVE-2026-21932?
- Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: AWT, JavaFX). 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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). CVSS 3.1 Base Score 7.4 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N).
- How severe is CVE-2026-21932?
- CVE-2026-21932 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2026-21932 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-21932?
- CVE-2026-21932 primarily affects Oracle Graalvm. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-21932?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-21932 have an EU (EUVD) identifier?
- Yes. CVE-2026-21932 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3577.
- When was CVE-2026-21932 published?
- CVE-2026-21932 was published on 2026-01-20 and last updated on 2026-06-30.
References
- https://www.oracle.com/security-alerts/cpujan2026.html
- https://access.redhat.com/errata/RHSA-2026:0849
- https://access.redhat.com/errata/RHSA-2026:0896
- https://access.redhat.com/errata/RHSA-2026:0898
- https://access.redhat.com/errata/RHSA-2026:0900
- https://access.redhat.com/errata/RHSA-2026:1606
- https://access.redhat.com/security/cve/CVE-2026-21932
- https://bugzilla.redhat.com/show_bug.cgi?id=2429925
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21932.json
Affected products (17)
- cpe:2.3:a:oracle:graalvm:21.3.16:*:*:*:enterprise:*:*:*
- cpe:2.3:a:oracle:graalvm_for_jdk:17.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:graalvm_for_jdk:21.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jdk:1.8.0:update471:*:*:-:*:*:*
- cpe:2.3:a:oracle:jdk:1.8.0:update471:*:*:enterprise_performance_pack:*:*:*
- cpe:2.3:a:oracle:jdk:1.8.0:update471_b50:*:*:-:*:*:*
- cpe:2.3:a:oracle:jdk:11.0.29:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jdk:17.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jdk:21.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jdk:25.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jre:1.8.0:update471:*:*:-:*:*:*
- cpe:2.3:a:oracle:jre:1.8.0:update471:*:*:enterprise_performance_pack:*:*:*
- cpe:2.3:a:oracle:jre:1.8.0:update471_b50:*:*:-:*:*:*
- cpe:2.3:a:oracle:jre:11.0.29:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jre:17.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jre:21.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:jre:25.0.1:*:*:*:*:*:*:*
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