CVE Catalog

CVE-2026-91451

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 (component: Networking). An unauthenticated attacker with network access can exploit it by supplying data to APIs in the component, resulting in unauthorized update, insert or delete access to some Oracle Java SE accessible data.

Risk Assessment

An attacker could modify or delete data processed by Java applications, compromising integrity. The vulnerability is easily exploitable remotely without authentication.

Recommendation

Update Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition to patched versions. Avoid processing untrusted data through the Networking component APIs.

Other vulnerabilities in Oracle Java SE

See all
Original NVD description (English source)

Vulnerability in Oracle Java SE (component: Networking). 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; 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. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE 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