Oracle Java SE JAXP RCE: 8u481, 11.0.30, 17.0.18, 21.0.10
CVE-2026-22016 Published on April 21, 2026

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JAXP). 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. 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 access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-22016 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

NONE

User Interaction:

NONE

Scope:

UNCHANGED

Confidentiality Impact:

HIGH

Integrity Impact:

NONE

Availability Impact:

NONE

Weakness Types

What is an Information Disclosure Vulnerability?

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

CVE-2026-22016 has been classified to as an Information Disclosure vulnerability or weakness.

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2026-22016 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.

What is a XXE Vulnerability?

The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

CVE-2026-22016 has been classified to as a XXE vulnerability or weakness.

Products Associated with CVE-2026-22016

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-22016 are published in these products:

Oracle

Oracle Java

Oracle GraalVM

Canonical Ubuntu Linux

Red Hat Rhel Els

Red Hat Openjdk Els

Red Hat Enterprise Linux Eus

Red Hat Enterprise Linux (RHEL)

Red Hat Rhel Aus

Red Hat Rhel Eus Long Life

Red Hat Rhel E4s

Red Hat Rhel Tus

Red Hat Rhel Eus

Red Hat Openjdk

Red Hat Hummingbird

Affected Versions

Oracle Corporation Oracle Java SE:

Version 8u481 is affected.
Version 8u481-b50 is affected.
Version 8u481-perf is affected.
Version 11.0.30 is affected.
Version 17.0.18 is affected.
Version 21.0.10 is affected.
Version 25.0.2 is affected.
Version 26 is affected.

Oracle Corporation Oracle GraalVM for JDK:

Version 17.0.18 is affected.
Version 21.0.10 is affected.

Oracle Corporation Oracle GraalVM Enterprise Edition:

Version 21.3.17 is affected.

Red Hat OPENJDK ELS 11.0.31:

Version openjdk-portable and below * is unaffected.
Version openjdk-windows and below * is unaffected.

Red Hat Build of OpenJDK 17.0.19:

Version openjdk-windows and below * is unaffected.

Red Hat Build of OpenJDK 17.0.9:

Version openjdk-portable and below * is unaffected.

Red Hat Build of OpenJDK 21.0.11:

Version openjdk-portable and below * is unaffected.
Version openjdk-windows and below * is unaffected.

Red Hat Build of OpenJDK 25.0.3:

Version openjdk-portable and below * is unaffected.

Red Hat Build of OpenJDK 8u492:

Version openjdk-portable and below * is unaffected.
Version openjdk-windows and below * is unaffected.

Red Hat Enterprise Linux 10:

Version 1:21.0.11.0.10-2.el10_2 and below * is unaffected.

Red Hat Enterprise Linux 10:

Version 1:25.0.3.0.9-1.el10_2 and below * is unaffected.

Red Hat Enterprise Linux 10:

Version 1:21.0.11.0.10-2.el10_1 and below * is unaffected.

Red Hat Enterprise Linux 10.0 Extended Update Support:

Version 1:21.0.11.0.10-1.el10_0 and below * is unaffected.

Red Hat Enterprise Linux 10.0 Extended Update Support:

Version 1:21.0.11.0.10-1.el10_2 and below * is unaffected.

Red Hat Enterprise Linux 10.2 Extended Update Support:

Version 1:21.0.11.0.10-2.el10_1 and below * is unaffected.

Red Hat Enterprise Linux 7 Extended Lifecycle Support:

Version 1:1.8.0.492.b09-1.el7_9 and below * is unaffected.

Red Hat Enterprise Linux 8:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8:

Version 1:21.0.11.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8:

Version 1:1.8.0.8.65-1.el8_10 and below * is unaffected.

Red Hat Enterprise Linux 8.2 Advanced Update Support:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.6 Telecommunications Update Service:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.6 Telecommunications Update Service:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.8 Telecommunications Update Service:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.8 Telecommunications Update Service:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions:

Version 1:1.8.0.492.b09-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions:

Version 1:17.0.19.0.10-1.el8 and below * is unaffected.

Red Hat Enterprise Linux 9:

Version 1:1.8.0.492.b09-2.el9 and below * is unaffected.

Red Hat Enterprise Linux 9:

Version 1:17.0.19.0.10-2.el9 and below * is unaffected.

Red Hat Enterprise Linux 9:

Version 1:21.0.11.0.10-2.el9 and below * is unaffected.

Red Hat Enterprise Linux 9:

Version 1:25.0.3.0.9-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions:

Version 1:1.8.0.492.b09-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions:

Version 1:17.0.19.0.10-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions:

Version 1:1.8.0.492.b09-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions:

Version 1:17.0.19.0.10-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.4 Extended Update Support:

Version 1:1.8.0.492.b09-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.4 Extended Update Support:

Version 1:17.0.19.0.10-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.4 Extended Update Support:

Version 1:21.0.11.0.10-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.6 Extended Update Support:

Version 1:1.8.0.492.b09-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.6 Extended Update Support:

Version 1:17.0.19.0.10-1.el9 and below * is unaffected.

Red Hat Enterprise Linux 9.6 Extended Update Support:

Version 1:21.0.11.0.10-1.el9 and below * is unaffected.

Red Hat OpenJDK 11 els for RHEL 7:

Version 1:11.0.31.0.11-1.el7_9 and below * is unaffected.

Red Hat OpenJDK 11 els for RHEL 8:

Version 1:11.0.31.0.11-1.el8 and below * is unaffected.

Red Hat OpenJDK 11 els for RHEL 9:

Version 1:11.0.31.0.11-1.el9 and below * is unaffected.

Red Hat Temurin Build of OpenJDK 25.0.3:

Version openjdk-windows and below * is unaffected.

Red Hat Hardened Images:

Version 21.0.11.0.10-2.hum1 and below * is unaffected.

Red Hat Hardened Images:

Version 21.0.11.0.10-1.hum1 and below * is unaffected.

Red Hat Hardened Images:

Version 25.0.3.0.9-1.hum1 and below * is unaffected.

Red Hat Hardened Images:

Version 25.0.3.0.9-1.hum1 and below * is unaffected.

Red Hat Enterprise Linux 6: Red Hat Enterprise Linux 6: Red Hat Enterprise Linux 6: Red Hat Enterprise Linux 7: Red Hat Enterprise Linux 7:

Exploit Probability

EPSS

0.70%

Percentile

49.48%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.

Oracle Java SE JAXP RCE: 8u481, 11.0.30, 17.0.18, 21.0.10CVE-2026-22016 Published on April 21, 2026

Vulnerability Analysis

Weakness Types

What is an Information Disclosure Vulnerability?

What is a Marshaling, Unmarshaling Vulnerability?

What is a XXE Vulnerability?

Products Associated with CVE-2026-22016

Affected Versions

Exploit Probability

Oracle Java SE JAXP RCE: 8u481, 11.0.30, 17.0.18, 21.0.10
CVE-2026-22016 Published on April 21, 2026