CVE-2026-73574: Low severity Zimbra Zimbra Collaboration vulnerability

Published Aug 13, 2026
·
Updated

In Zimbra Collaboration before 10.1.17, a local file inclusion (LFI) vulnerability exists in the Zimbra Classic Web Client due to improper validation of the fu request parameter. An unauthenticated attacker can exploit this vulnerability by supplying a crafted path, potentially allowing unauthorized disclosure of protected files, such as WEB-INF/web.xml, within the web application directory. This occurs in the Forward servlet.

Affected Software

1 affected component
Zimbra Zimbra Collaboration<10.1.17

Event History

Aug 13, 2026
CVE Published
via MITRE·03:23 PM
Data Sourced
via MITRE·03:23 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-73574?

The severity of CVE-2026-73574 is rated low with a score of 3.1.

2

How do I fix CVE-2026-73574?

To mitigate CVE-2026-73574, upgrade Zimbra Collaboration to version 10.1.17 or later.

3

What type of vulnerability is CVE-2026-73574?

CVE-2026-73574 is classified as a local file inclusion (LFI) vulnerability.

4

What is the attack vector for CVE-2026-73574?

CVE-2026-73574 can be exploited by an unauthenticated attacker through a crafted fu request parameter.

5

What software is affected by CVE-2026-73574?

CVE-2026-73574 affects Zimbra Collaboration versions prior to 10.1.17.

Contact

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