CVE Catalog

CVE-2026-91453

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.28%

20th percentile - higher than 20% of all known CVEs

Summary

Vulnerability in Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition (component Lightweight HTTP Server). An unauthenticated attacker with network access can perform unauthorized updates, inserts, or deletes. Exploitable only by supplying data to APIs in the component, e.g., via a web service.

Risk Assessment

An attacker could compromise integrity of data in Java applications using the built-in HTTP server. However, network access and supplying data to the API are required.

Recommendation

Update Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition to the versions containing the fix. Ensure input validation in web services using the Lightweight HTTP Server.

Other vulnerabilities in Oracle Java SE

See all
Original NVD description (English source)

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).

Vulnerability data from NVD (NIST) · CISA KEV · EPSS