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CVE-2026-73573 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:3.1 LOWVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy	[email protected]	Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-24	Path Traversal: '../filedir'	[email protected]

Affected Products

Product	Versions
synacor zimbra collaboration suite	< 10.1.17
CPE cpe:2.3:a:synacor:zimbra_collaboration_suite:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Aug 28, 2026	Initial Analysis	[email protected]
Aug 13, 2026	New CVE Received	[email protected]
Aug 13, 2026	CVE Modified	CISA-ADP