Vulnerability in Zimbra Collaboration

CVE-2026-73573

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 vul…

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73573?
CVE-2026-73573 is a low-severity vulnerability in Zimbra Collaboration, classified under CWE-24. CVSS score: 3.1/10. Published 2026-08-13.
How severe is CVE-2026-73573?
Low severity. CVSS v3 base score is 3.1 out of 10.