CVE-2026-20245
Improper Encoding or Escaping of Output in Cisco Catalyst SD-WAN Manager. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 9 June 2026.
- Product
- Cisco Catalyst SD-WAN Manager
- Added to CISA's catalog
- Federal fix-by date
- Ransomware
- No known use in ransomware campaigns
- Vendor advisories
- Sources
- CISA’s catalog, NVD entry
CISA’s description.
Cisco Catalyst SD-WAN Manager formerly SD-WAN vManage contains an improper encoding or escaping of output vulnerability. This vulnerability could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system.
More from Cisco this year.
- CVE-2026-76418 Unchecked Return Value to NULL Pointer Dereference, added
- CVE-2026-76519 Relative Path Traversal, added
- CVE-2026-76504 Hex Encoding, added
- CVE-2026-76460 Incorrect Use of Privileged APIs, added
- CVE-2026-76461 SQL Injection, added
- CVE-2026-20079 Firewall Management Center Authentication Bypass Using an Alternate Path or Channel, added
- CVE-2026-20349 Heap Inspection, added
- CVE-2026-20316 Secure Firewall Management Center Use of Hard-coded Password, added
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.