Network Vulnerability in Oracle Java SE and GraalVM Products

CVE-2026-21933

What is CVE-2026-21933?

A vulnerability exists in Oracle's Java SE and GraalVM products, allowing unauthenticated attackers with network access to exploit the affected components. This vulnerability, which requires human interaction to be successfully exploited, can lead to unauthorized operations such as update, insert, or delete actions on accessible data, alongside unauthorized read access. The issue significantly impacts the security of Java deployments, particularly those running in sandboxed environments, where untrusted code may be executed. Attackers could leverage this vulnerability via web services that interface with the Java APIs. Users must secure their systems against potential exploitation to mitigate risks associated with compromised network access.

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