CVE Catalog

CVE-2026-91333

LowCVSS 3.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.27%

18th percentile - higher than 18% of all known CVEs

Summary

Vulnerability in Oracle Java SE (Security component) affecting versions 21.0.12.1, 25.0.4.1, and 27. A difficult-to-exploit flaw allows an unauthenticated network attacker to modify, insert, or delete some data; also applies to sandboxed Java clients.

Risk Assessment

Risk to data integrity in Java applications, especially clients running untrusted code. May lead to unauthorized data changes.

Recommendation

Update Oracle Java SE to a patched version and avoid running untrusted Java applications.

Other vulnerabilities in Oracle Java SE

See all
Original NVD description (English source)

Vulnerability in Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 21.0.12.1, 25.0.4.1 and 27. Difficult to exploit 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 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 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

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