CVE-2026-73573: Path Traversal

Published Aug 13, 2026
·
Updated

In Zimbra Collaboration (ZCS) before 10.1.17, a path traversal vulnerability exists in the Zimbra Briefcase document editing functionality due to improper validation of the packages parameter. An authenticated attacker can exploit this vulnerability by supplying a crafted path traversal sequence, potentially allowing unauthorized disclosure of sensitive files within the web application directory.

Affected Software

1 affected component
Zimbra Zimbra Collaboration (ZCS)<10.1.17

Event History

Aug 13, 2026
CVE Published
via MITRE·03:22 PM
Data Sourced
via MITRE·03:22 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-73573?

The severity of CVE-2026-73573 is classified as low with a score of 3.1.

2

How do I fix CVE-2026-73573?

To fix CVE-2026-73573, upgrade Zimbra Collaboration to version 10.1.17 or later.

3

What kind of vulnerability is CVE-2026-73573?

CVE-2026-73573 is a path traversal vulnerability found in the Zimbra Briefcase document editing functionality.

4

Who can exploit CVE-2026-73573?

An authenticated attacker can exploit CVE-2026-73573 by providing a crafted path traversal sequence.

5

In which product is CVE-2026-73573 found?

CVE-2026-73573 is found in Zimbra Collaboration (ZCS) versions prior to 10.1.17.

Contact

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