Improper input validation in Oracle Java SE - CVE-2026-87291

 

Improper input validation in Oracle Java SE - CVE-2026-87291

Published: November 10, 2026


Vulnerability identifier: #VU163808
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-87291
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Networking component in Oracle Java SE. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


Affected software

Oracle Java SE

How to mitigate CVE-2026-87291

Install updates from vendor's website.


External References

Related Security Bulletins