Vulnerability Snapshot
CVE-2026-20182 is rated CRITICAL — exploitation is trivial or already observed in the wild and impact is severe. Patch immediately, not on the next maintenance window.
Affected technology: edge.
Executive Summary
A vulnerability in the CLI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to perform command injection attacks on an affected system
Source
How Vulnios Detects This
Vulnios scans for this vulnerability using Trivy and Grype for SBOM-based CVE matching and Vulnios CVE feed continuous monitoring against your asset inventory. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.
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Affected Products
Sources
Related Threat Alerts
- Cisco Catalyst SD-WAN Controller, Catalyst SD-WAN Manager, and Catalyst SD-WAN Validator Authenticated Privilege Escalation Vulnerability
- Cybersecurity M&A Roundup: 26 Deals Announced in May 2026
- Cisco Catalyst SD-WAN Manager CVE-2026-20245 Flaw Actively Exploited – No Patch Available
- Cisco Warns of 7th SD-WAN Zero-Day Exploited in 2026
- Cisco warns of unpatched SD-WAN zero-day exploited in attacks
- Cisco Patches CVE-2026-20230 in Unified CM as Exploit Code Goes Public
Frequently Asked Questions
What is CVE-2026-20182?
CVE-2026-20182 is a critical-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. A vulnerability in the CLI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to
Am I affected?
Check whether your environment runs edge. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.
How urgent is the response?
Critical: do not wait for your normal patch cycle. Verify exposure today, apply the vendor patch immediately, and add detection rules for any post-exploit indicators.
How do I remediate?
Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.
Where can I track exploitation activity?
Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2026-20182. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.
How does Vulnios help with this?
Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.
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