CVE-2026-34282
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 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 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 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 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
INFO
Published Date :
April 21, 2026, 9:16 p.m.
Last Modified :
June 30, 2026, 3:18 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-34282
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c |
Public PoC/Exploit Available at Github
CVE-2026-34282 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-34282.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-34282 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-34282
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
This project provides a simple example of Spring Boot CRUD application with Postgres DB, docker-compose and LGTM Observability support
docker docker-compose grafana jdbc lgtm-stack makefile postgres spring-boot
Makefile Shell Dockerfile Java
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-34282 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-34282 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/a:redhat:openjdk_els:11::el7'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenJDK 11 ELS for RHEL 7', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk_els:11::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenJDK 11 ELS for RHEL 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk_els:11::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenJDK 11 ELS for RHEL 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CRB (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk_els:11'], 'vendor': 'Red Hat', 'product': 'OPENJDK ELS 11.0.31', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk:17'], 'vendor': 'Red Hat', 'product': 'Red Hat Build of OpenJDK 17.0.19', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk:17'], 'vendor': 'Red Hat', 'product': 'Red Hat Build of OpenJDK 17.0.9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk:21'], 'vendor': 'Red Hat', 'product': 'Red Hat Build of OpenJDK 21.0.11', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk:25'], 'vendor': 'Red Hat', 'product': 'Red Hat Build of OpenJDK 25.0.3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux Supplementary EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux Supplementary EUS (v.10.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux Supplementary (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk:25'], 'vendor': 'Red Hat', 'product': 'Temurin Build of OpenJDK 25.0.3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:6'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 6', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openjdk:1.8'], 'vendor': 'Red Hat', 'product': 'Red Hat build of OpenJDK 1.8', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-835 Added Reference https://access.redhat.com/errata/RHSA-2026:11403 Added Reference https://access.redhat.com/errata/RHSA-2026:11655 Added Reference https://access.redhat.com/errata/RHSA-2026:11822 Added Reference https://access.redhat.com/errata/RHSA-2026:11829 Added Reference https://access.redhat.com/errata/RHSA-2026:11902 Added Reference https://access.redhat.com/errata/RHSA-2026:22328 Added Reference https://access.redhat.com/errata/RHSA-2026:9254 Added Reference https://access.redhat.com/errata/RHSA-2026:9256 Added Reference https://access.redhat.com/errata/RHSA-2026:9686 Added Reference https://access.redhat.com/errata/RHSA-2026:9687 Added Reference https://access.redhat.com/errata/RHSA-2026:9688 Added Reference https://access.redhat.com/errata/RHSA-2026:9689 Added Reference https://access.redhat.com/errata/RHSA-2026:9691 Added Reference https://access.redhat.com/errata/RHSA-2026:9693 Added Reference https://access.redhat.com/errata/RHSA-2026:9694 Added Reference https://access.redhat.com/security/cve/CVE-2026-34282 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2460044 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34282.json -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Oracle Corporation', 'product': 'Oracle Java SE', 'versions': [{'status': 'affected', 'version': '8u481-perf'}, {'status': 'affected', 'version': '11.0.30'}, {'status': 'affected', 'version': '17.0.18'}, {'status': 'affected', 'version': '21.0.10'}, {'status': 'affected', 'version': '25.0.2'}, {'status': 'affected', 'version': '26'}]}, {'vendor': 'Oracle Corporation', 'product': 'Oracle GraalVM for JDK', 'versions': [{'status': 'affected', 'version': '17.0.18'}, {'status': 'affected', 'version': '21.0.10'}]}, {'vendor': 'Oracle Corporation', 'product': 'Oracle GraalVM Enterprise Edition', 'versions': [{'status': 'affected', 'version': '21.3.17'}]}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-34282', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-04-22T15:33:23.475952Z'} -
Initial Analysis by [email protected]
Apr. 27, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:oracle:jre:1.8.0:update481:*:*:enterprise_performance_pack:*:*:* *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:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:oracle:jdk:1.8.0:update481:*:*:enterprise_performance_pack:*:*:* *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:*:*:*:*:*:*:* Added CPE Configuration OR *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:*:*:*:*:*:*:* Added Reference Type Oracle: https://www.oracle.com/security-alerts/cpuapr2026.html Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 22, 2026
Action Type Old Value New Value Added CWE CWE-400 -
New CVE Received by [email protected]
Apr. 21, 2026
Action Type Old Value New Value Added Description Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 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 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 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 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added Reference https://www.oracle.com/security-alerts/cpuapr2026.html