Deserialization of Untrusted Data in Apache Nifi - CVE-2025-66524
Published: December 23, 2025
Vulnerability identifier: #VU120246
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-66524
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Nifi
Apache Nifi
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized cache data within the GetAsanaObject processor. A remote user with direct access to the configured cache server can pass specially crafted data to the application and execute arbitrary code on the target system.
How to mitigate CVE-2025-66524
Install updates from vendor's website.