CVE-2026-3418

Summary

The System REST API accepts user-supplied file uploads without enforcing sufficient validation on the file type or destination, allowing files to be written to arbitrary server-accessible locations. Exploitation requires authenticated administrative access with publisher privileges.

Successful exploitation permits an authenticated publisher to upload files to server-accessible locations. Depending on the deployment environment and how uploaded files are handled, this could lead to the execution of uploaded content, potentially resulting in remote code execution.

Affected Software

VendorProductVersion RangeStatus
WSO2WSO2 API Manager4.4.0 < 4.4.0.67affected
WSO2WSO2 API Manager4.5.0 < 4.5.0.52affected
WSO2WSO2 API Manager4.6.0 < 4.6.0.16affected
WSO2WSO2 Traffic Manager4.5.0 < 4.5.0.51affected
WSO2WSO2 Traffic Manager4.6.0 < 4.6.0.16affected
WSO2WSO2 API Control Plane4.5.0 < 4.5.0.53affected
WSO2WSO2 API Control Plane4.6.0 < 4.6.0.17affected
WSO2WSO2 Universal Gateway4.5.0 < 4.5.0.52affected
WSO2WSO2 Universal Gateway4.6.0 < 4.6.0.16affected
WSO2WSO2 Carbon API Management Implementation9.30.67 < 9.30.67.156affected
WSO2WSO2 Carbon API Management Implementation9.31.86 < 9.31.86.141affected
WSO2WSO2 Carbon API Management Implementation9.32.147 < 9.32.147.44affected
WSO2WSO2 Carbon API Management Implementation9.33.104 <= *unaffected
WSO2WSO2 API Manager Publisher REST API V49.30.67 < 9.30.67.156affected
WSO2WSO2 API Manager Publisher REST API V49.31.86 < 9.31.86.141affected
WSO2WSO2 API Manager Publisher REST API V49.32.147 < 9.32.147.44affected
WSO2WSO2 API Manager Publisher REST API V49.33.104 <= *unaffected
WSO2WSO2 Carbon API Management API9.30.67 < 9.30.67.156affected
WSO2WSO2 Carbon API Management API9.33.104 <= *unaffected

Weaknesses

  • CWE-434: CWE-434: Unrestricted Upload of File with Dangerous Type

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References