CVE-2026-44914— Apache NiFi: Missing Authorization of Restricted Permissions when Replacing Flow Contents
Quick assessment
Affected
Apache Software Foundation Apache NiFi
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache nifi是美国Apache基金会开源的一款数据流处理系统。 Apache NiFi 1.12.0版本至2.9.0及之前版本存在授权问题漏洞，该漏洞源于使用Restricted注解处理替换Process Groups请求时缺少授权检查，可能导致拥有通用写权限的用户添加Restricted状态的组件。以下版本受到影响：1.12.0版本至2.9.0及之前版本。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache NiFi | 1.12.0≤ 2.9.0 |
affected |
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I. Basic Information for CVE-2026-44914
Vulnerability Information
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Vulnerability Title
Apache NiFi: Missing Authorization of Restricted Permissions when Replacing Flow Contents
Source: CVE Program / CVE List V5
Vulnerability Description
Apache NiFi 1.12.0 through 2.9.0 are missing authorization when replacing Process Groups that include extension components with specific Required Permissions based on the Restricted annotation. The Restricted annotation indicates additional privileges required, but framework authorization did not check restricted status when handling requests to replace Process Groups. The missing authorization permits a user with general write access to add components with Restricted status. Apache NiFi installations that do not implement specific authorization for Restricted components are not subject to this vulnerability because the framework enforces write permissions as the security boundary. Upgrading to Apache NiFi 2.9.0 is the recommended mitigation, which removes the implementation of Restricted status authorization from the framework.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/S:P/AU:Y/R:U/V:C/RE:L/U:Clear
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Apache NiFi 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache nifi是美国Apache基金会开源的一款数据流处理系统。 Apache NiFi 1.12.0版本至2.9.0及之前版本存在授权问题漏洞，该漏洞源于使用Restricted注解处理替换Process Groups请求时缺少授权检查，可能导致拥有通用写权限的用户添加Restricted状态的组件。以下版本受到影响：1.12.0版本至2.9.0及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache NiFi | 1.12.0 ~ 2.9.0 | - |
|
II. Public POCs for CVE-2026-44914
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|---|
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Mailing List Discussions for CVE-2026-44914 (1)
Same Patch Batch · Apache Software Foundation · 2026-06-22 · 6 CVEs total
| CVE-2025-62198 | Apache Atlas: Stored XSS in Create Entity page | |
| CVE-2026-44911 | Apache NiFi: Incorrect Authorization for Configuration Verification Requests | |
| CVE-2026-44913 | Apache NiFi: Improper Escaping of Table Names in CaptureChangeMySQL | |
| CVE-2026-54665 | Apache NiFi: Missing Validation for Proxy Host Headers | |
| CVE-2025-66336 | Apache Doris MCP Server: SQL injection leading the authentication bypass |
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V. Comments for CVE-2026-44914
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