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Message-ID: <0f47add6-164f-f58c-3b52-bbf66d589a61@apache.org>
Date: Thu, 18 Dec 2025 19:52:13 +0000
From: David Handermann <exceptionfactory@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2025-66524: Apache NiFi: Deserialization of Untrusted Data in
GetAsanaObject Processor
Severity:
Affected versions:
- Apache NiFi (org.apache.nifi:nifi-asana-processors) 1.20.0 through 2.6.0
Description:
Apache NiFi 1.20.0 through 2.6.0 include the GetAsanaObject Processor, which requires integration with a configurable Distribute Map Cache Client Service for storing and retrieving state information. The GetAsanaObject Processor used generic Java Object serialization and deserialization without filtering. Unfiltered Java object deserialization does not provide protection against crafted state information stored in the cache server configured for GetAsanaObject. Exploitation requires an Apache NiFi system running with the GetAsanaObject Processor, and direct access to the configured cache server. Upgrading to Apache NiFi 2.7.0 is the recommended mitigation, which replaces Java Object serialization with JSON serialization. Removing the GetAsanaObject Processor located in the nifi-asana-processors-nar bundle also prevents exploitation.
This issue is being tracked as NIFI-15292
Credit:
Jaeyeong Lee (finder)
References:
https://nifi.apache.org/
https://www.cve.org/CVERecord?id=CVE-2025-66524
https://issues.apache.org/jira/browse/NIFI-15292
Timeline:
2025-12-01: reported
2025-12-04: resolved
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