Cisco Releases Security Updates for Actively Exploited SD-WAN Manager Flaw

The Hacker News

June 16, 2026 at 6:05 AM

Actively Exploited

Overview

Cisco has issued security updates to address a medium-severity vulnerability in its Catalyst SD-WAN Manager, previously known as SD-WAN vManage. The flaw, identified as CVE-2026-20262, has a CVSS score of 6.5 and has been reported as actively exploited in the wild. This vulnerability affects the web user interface, allowing authenticated remote attackers to create files, which could lead to further compromise of the system. Given that this software is widely used for managing SD-WAN deployments, organizations utilizing this product should prioritize applying the latest updates to mitigate potential risks. The active exploitation of this flaw emphasizes the importance of maintaining up-to-date security measures in network management solutions.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage)
Action Required: Cisco has released security updates that should be applied to all affected systems.
Timeline: Newly disclosed

Original Article Summary

Cisco has released security updates for a medium-severity security flaw in Catalyst SD-WAN Manager that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-20262, carries a CVSS score of 6.5 out of 10.0. "A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker to create a file or

Impact

Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage)

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Cisco has released security updates that should be applied to all affected systems. Specific patch numbers or versions were not mentioned in the article.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Cisco, Vulnerability.

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