Improper input validation in Oracle products - CVE-2026-91453

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Main Vulnerability Database Vulnerabilities #VU163817

Improper input validation in Oracle products - CVE-2026-91453

Published: November 10, 2026


Vulnerability identifier: #VU163817
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91453
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 Lightweight HTTP Server component in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


Affected software

Oracle Java SE
Oracle GraalVM for JDK
Oracle GraalVM Enterprise Edition

How to mitigate CVE-2026-91453

Install updates from vendor's website.


External References

Related Security Bulletins