Risk Letters

Exploited vulnerability

CVE-2026-5430

TLP:CLEAR

WSO2 Multiple Products Path Traversal Vulnerability

WSO2 API Control Plane, API Manager, Traffic Manager & Universal Gateway contain a path traversal vulnerability that could allow for unrestricted file upload and lead to remote code execution.

Facts

  • Vendor: WSO2
  • Product: Multiple Products
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 22.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 24 September 2026
  • First known exploitation: 15 September 2026
  • CISA's deadline for US federal agencies: 27 September 2026
  • Weakness: CWE-347
  • First seen by Risk Letters: 6 August 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD