Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Lightweight HTTP Server). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||
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| Oracle Corporation | Oracle Java SE | affected |
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| Oracle Corporation | Oracle GraalVM for JDK | affected |
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| Oracle Corporation | Oracle GraalVM Enterprise Edition | affected |
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Project Subscriptions
Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html |
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History
Wed, 21 Oct 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Oracle oracle Java Se
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| Vendors & Products |
Oracle oracle Java Se
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Wed, 21 Oct 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Network Vulnerability in Oracle Java SE Lightweight HTTP Server Allows Integrity Compromise | |
| Weaknesses | CWE-285 |
Tue, 20 Oct 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Lightweight HTTP Server). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N). | |
| First Time appeared |
Oracle
Oracle graalvm Oracle graalvm For Jdk Oracle java Se |
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| CPEs | cpe:2.3:a:oracle:graalvm:21.3.19.1.1:*:*:*:enterprise:*:*:* cpe:2.3:a:oracle:graalvm_for_jdk:17.0.20.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:graalvm_for_jdk:21.0.12.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:11.0.32.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:17.0.20.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:21.0.12.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:25.0.4.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:27:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:8u503:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:8u503:*:*:*:enterprise_performance:*:*:* |
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| Vendors & Products |
Oracle
Oracle graalvm Oracle graalvm For Jdk Oracle java Se |
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| References |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: oracle
Published:
Updated: 2026-10-20T21:26:03.566Z
Reserved: 2026-09-14T22:10:16.635Z
Link: CVE-2026-91453
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2026-10-20T22:20:49.083
Modified: 2026-10-21T18:44:55.490
Link: CVE-2026-91453
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-10-21T17:30:02Z
Weaknesses