anonhaven

CVE-2026-55799

CRITICAL CVSS 3.1: 9.8 EPSS 0.86%
Updated Aug 17, 2026
Apache
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions before 2.9.0
Fixed In 2.9.0
Type CWE-94 (Code Injection)
Vendor Apache
Public PoC No

Remote Code Execution Vulnerability in GraalScriptEngineCreator in Apache Ranger <= 2.8.0 Users are recommended to upgrade to version 2.9.0, which fixes this issue.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-94 Code Injection

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Apache Ranger
cpe:2.3:a:apache:ranger:*:*:*:*:*:*:*:*
 — 2.9.0

References 2

https://lists.apache.org/thread/mqpdrqrvd47x5vhy03xok4ylbo9wbqgj
security@apache.org
http://www.openwall.com/lists/oss-security/2026/08/09/7
af854a3a-2127-422b-91ae-364da2661108
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