Code Injection in Apache Ranger - CVE-2026-55799
Published: August 24, 2026
Vulnerability identifier: #VU144911
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-55799
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper code generation control in GraalScriptEngineCreator when processing crafted input. A remote attacker can supply specially crafted input to execute arbitrary code.
Affected software
Apache Ranger
How to mitigate CVE-2026-55799
Install security update from vendor's website.
Apache Ranger - update to 2.9.0