CVE-2026-20262
Cisco Catalyst SD-WAN Manager Directory or Path Traversal Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-06-15. Federal due date: 2026-06-29.
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.
Impact
Cisco Catalyst SD-WAN Manager contains a directory or path traversal vulnerability that could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an affected system.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Catalyst Sd-Wan Manager | before 20.9.9.2 from 20.10 before 20.12.7.2 from 20.13 before 20.15.4.5 from 20.15.5 before 20.15.5.3 from 20.16 before 20.18.3.1 from 26.1 before 26.1.1.2 |