Cve20207796 Zimbra Collaboration Suite Full !exclusive! May 2026

To secure your environment, the following actions are recommended:

Insufficient validation of user-supplied URLs within a Zimbra application component. Technical Impact cve20207796 zimbra collaboration suite full

Actively monitor application logs for anomalous requests to internal services or suspicious DNS queries. To secure your environment, the following actions are

While the vulnerability was first identified in 2020, it remains a major threat. , citing active exploitation in the wild. Organizations were given a due date of March 10, 2026, to apply mitigations. Affected Versions To secure your environment

After upgrading, use the zmcontrol -v command to ensure the correct version is active.

Attackers can send unauthorized requests to internal services that are normally protected by firewalls.