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CVE-2026-73573

Published: Aug 13, 2026Updated: Aug 28, 2026 Sources: CVE List NVDCWE-24
3.1LOW
NVD MITRE
EPSS Score
0.3%
Top 77.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-24

Affected Products

synacor
commercial·US
zimbra collaboration suiteOn-premWeb App
Communications / email-server-client
Zimbra
commercialaka zimbra collaboration server
CollaborationOn-premDesktop App
Enterprise Software / collaboration-groupware

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-73573?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
wiki.zimbra.com
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
wiki.zimbra.com

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