WSO2 API Gateway Path Traversal Reaches Federal Remediation Deadline of September 27

Last refreshed2026-09-27

Status: KEV | Advisory ID: CVE-2026-5430

Key Details

CVE	CVE-2026-5430
Vulnerability Name	WSO2 Multiple Products Path Traversal Vulnerability
Affected products	WSO2 Multiple Products
Exploitation status	Listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified as	CWE-347 (Improper Verification of Cryptographic Signature)
KEV listing	Added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-09-24.
Exploitation prediction (EPSS)	0.59% probability of exploitation in the next 30 days (46% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline	2026-09-27 (CISA KEV, Binding Operational Directive).

Affected Products, Subsystems & Sectors

Vendor	Product	Affected Versions	Patch Status
WSO2	Multiple Products

Vendor

Product

Affected Versions

Patch Status

WSO2

Multiple Products

Subsystems	General OT
Sectors	Multiple

What to Know

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.

What to Do

Monitor WSO2's web page for any future patch releases.

References

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-5430
CVE	https://www.cve.org/CVERecord?id=CVE-2026-5430

Source

Reference

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-5430

CVE

https://www.cve.org/CVERecord?id=CVE-2026-5430

KEV Required Action

Field	Value
KEV Link	https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Date Added to KEV	2026-09-24
Required Action Due Date	2026-09-27
Required Action	Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Field

Value

KEV Link

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Date Added to KEV

2026-09-24

Required Action Due Date

2026-09-27

Required Action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.