Improper input validation in Oracle Java SE - CVE-2026-91409
Published: November 10, 2026
Vulnerability identifier: #VU163828
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91409
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 perform service disruption.
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 perform service disruption.
Affected software
Oracle Java SE
How to mitigate CVE-2026-91409
Install updates from vendor's website.