Improper input validation in Oracle Java SE - CVE-2026-21947
Published: January 20, 2026
Vulnerability identifier: #VU121731
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-21947
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 manipulate data.
The vulnerability exists due to improper input validation within the JavaFX component in Oracle Java SE. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.
Affected software
Oracle Java SE
How to mitigate CVE-2026-21947
Install updates from vendor's website.