CVE-2026-25903 – Apache NiFi Improper Authorization Vulnerability
“This vulnerability weakens authorization controls in Apache NiFi. If exploited, attackers could bypass security restrictions and access sensitive data flows that power enterprise data processing pipelines.”
Apache released a security update addressing a vulnerability affecting Apache NiFi, the platform used to automate and manage data flows across enterprise systems. The issue impacts how authorization checks are enforced within certain components of the platform. If left unpatched, attackers could bypass access restrictions and interact with protected resources inside the NiFi environment.
CVE-2026-25903 carries a CVSS v3.1 score of 8.7 (High). The vulnerability stems from improper authorization validation that may allow unauthorized users to perform restricted actions within the platform. Successful exploitation could allow attackers to access sensitive data flows, manipulate processing pipelines, or disrupt trusted data movement operations used by organizations.
Apache addressed the issue through security updates that strengthen authorization enforcement and access validation across affected NiFi components. No verified real-world exploitation or confirmed public proof-of-concept code has been reported for this vulnerability.
Key Details
- CWE Classification
- CWE-862