Deserialization of Untrusted Data in Apache Nifi - CVE-2025-66524
Published: December 23, 2025
Vulnerability identifier: #VU120246
CSH Severity: Medium
CVSS v4: 8.6 [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]
CVE-ID: CVE-2025-66524
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Apache Nifi
How to mitigate CVE-2025-66524
Install updates from vendor's website.
Apache Nifi - update to 2.7.0