CVE-2026-34268
published 2026-04-21CVE-2026-34268: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported…
PriorityP410low2.9CVSS 3.1
AVLACHPRNUINSUCLINAN
EPSS
0.12%
2.3th percentile
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: 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 logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of 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 2.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
Affected
35 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| oracle | graalvm | — | — |
| oracle | graalvm_for_jdk | — | — |
| oracle | graalvm_for_jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle_corporation | oracle_graalvm_enterprise_edition | — | — |
| oracle_corporation | oracle_graalvm_for_jdk | — | — |
| oracle_corporation | oracle_graalvm_for_jdk | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
CVSS provenance
nvdv3.12.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
vendor_redhat2.9LOW
vendor_ubuntu2.9LOW
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Ubuntu
CRaC JDK 21 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-34282 [LOW] CRaC JDK 21 vulnerabilities
Title: CRaC JDK 21 vulnerabilities
Summary: Several security issues were fixed in CRaC JDK 21.
Thomas Beckers discovered that the JAXP component of CRaC JDK 21 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of CRaC JDK 21 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of CRaC JDK 21 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that
Ubuntu
OpenJDK 17 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-22021 [LOW] OpenJDK 17 vulnerabilities
Title: OpenJDK 17 vulnerabilities
Summary: Several security issues were fixed in OpenJDK 17.
Thomas Beckers discovered that the JAXP component of OpenJDK 17 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of OpenJDK 17 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of OpenJDK 17 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the J
Ubuntu
OpenJDK 21 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-22021 [LOW] OpenJDK 21 vulnerabilities
Title: OpenJDK 21 vulnerabilities
Summary: Several security issues were fixed in OpenJDK 21.
Thomas Beckers discovered that the JAXP component of OpenJDK 21 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of OpenJDK 21 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of OpenJDK 21 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the J
Ubuntu
OpenJDK 25 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-22008 [LOW] OpenJDK 25 vulnerabilities
Title: OpenJDK 25 vulnerabilities
Summary: Several security issues were fixed in OpenJDK 25.
Thomas Beckers discovered that the JAXP component of OpenJDK 25 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of OpenJDK 25 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of OpenJDK 25 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the J
Ubuntu
OpenJDK 8 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-22021 [LOW] OpenJDK 8 vulnerabilities
Title: OpenJDK 8 vulnerabilities
Summary: Several security issues were fixed in OpenJDK 8.
Thomas Beckers discovered that the JAXP component of OpenJDK 8 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the JSSE component of OpenJDK 8 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the JGSS component of OpenJDK 8 did not correctly
authenticate certain APIs. A remote attacker could possibly use this issue
to obtain sensitive information. (CVE-2026-22013)
It was discovered that the 2D component of OpenJDK 8
Ubuntu
CRaC JDK 17 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-34282 [LOW] CRaC JDK 17 vulnerabilities
Title: CRaC JDK 17 vulnerabilities
Summary: Several security issues were fixed in CRaC JDK 17.
Thomas Beckers discovered that the JAXP component of CRaC JDK 17 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of CRaC JDK 17 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of CRaC JDK 17 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that
Ubuntu
CRaC JDK 25 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-22008 [LOW] CRaC JDK 25 vulnerabilities
Title: CRaC JDK 25 vulnerabilities
Summary: Several security issues were fixed in CRaC JDK 25.
Thomas Beckers discovered that the JAXP component of CRaC JDK 25 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of CRaC JDK 25 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of CRaC JDK 25 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that
Ubuntu
OpenJDK 11 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-22021 [LOW] OpenJDK 11 vulnerabilities
Title: OpenJDK 11 vulnerabilities
Summary: Several security issues were fixed in OpenJDK 11.
Thomas Beckers discovered that the JAXP component of OpenJDK 11 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of OpenJDK 11 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of OpenJDK 11 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could possibly
use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the J
Ubuntu
OpenJDK 26 vulnerabilities
vendor_ubuntu·2026-05-28·CVSS 2.9
CVE-2026-22008 [LOW] OpenJDK 26 vulnerabilities
Title: OpenJDK 26 vulnerabilities
Summary: Several security issues were fixed in OpenJDK 26.
Thomas Beckers discovered that the JAXP component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of OpenJDK 26 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could
possibly use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the J
Red Hat
openjdk: OpenJDK: Enhance key generation (Oracle CPU 2026-04)
vendor_redhat·2026-04-21·CVSS 2.9
CVE-2026-34268 [LOW] CWE-327 openjdk: OpenJDK: Enhance key generation (Oracle CPU 2026-04)
openjdk: OpenJDK: Enhance key generation (Oracle CPU 2026-04)
No description is available for this CVE.
Package: java-17-openjdk-portable (Red Hat build of OpenJDK 17) - Affected
Package: java-17-openjdk-windows (Red Hat build of OpenJDK 17) - Affected
Package: java-1.8.0-openjdk-portable (Red Hat build of OpenJDK 1.8) - Affected
Package: java-1.8.0-openjdk-windows (Red Hat build of OpenJDK 1.8) - Affected
Package: java-21-openjdk-portable (Red Hat build of OpenJDK 21) - Affected
Package: java-21-openjdk-windows (Red Hat build of OpenJDK 21) - Affected
Package: java-25-openjdk-portable (Red Hat build of OpenJDK 25) - Affected
Package: java-25-openjdk-windows (Red Hat build of OpenJDK 25) - Affected
Package: java-21-ibm-semeru-certified-jdk (Red Hat Enterprise Linux 10) - Affected
VulDB
Oracle Java SE/GraalVM for JDK/GraalVM Enterprise Edition Security improper authorization (Nessus ID 309659 / WID-SEC-2026-1201)
vuldb·2026-05-03·CVSS 2.9
CVE-2026-34268 [LOW] Oracle Java SE/GraalVM for JDK/GraalVM Enterprise Edition Security improper authorization (Nessus ID 309659 / WID-SEC-2026-1201)
A vulnerability identified as critical has been detected in Oracle Java SE, GraalVM for JDK and GraalVM Enterprise Edition. Affected by this vulnerability is an unknown functionality of the component Security. This manipulation causes improper authorization.
This vulnerability appears as CVE-2026-34268. The attack requires local access. There is no available exploit.
You should upgrade the affected component.
GHSA
GHSA-xvmr-9p7m-jmwv: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security)
ghsa_unreviewed·2026-04-21
CVE-2026-34268 [LOW] CWE-200 GHSA-xvmr-9p7m-jmwv: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security)
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: 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 logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Ed
No detection rules found.
No public exploits indexed.
2026-04-21
Published