CVE-2026-73573

Low

Description

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.

SeverityLow
CVSS3.1
Exploit probability—
ProductSynacor Zimbra Collaboration Suite
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-24CWE-24

How to fix

Update
  • synacor zimbra_collaboration_suite10.1.17 or later

Affected products

ProductAffected versionsFixed in
synacor zimbra_collaboration_suitev < 10.1.1710.1.17

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CVE-2026-73573 · Synacor Zimbra Collaboration Suite · Dark Radar