# CVE-2026-73573

## Summary

- **CVE ID:** CVE-2026-73573
- **Severity:** LOW
- **CVSS Score:** 3.1 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** CWE-24
- **Published:** Aug 13, 2026
- **Last Modified:** Aug 13, 2026

## 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.

## Affected Products

- Zimbra — Collaboration (0)

## References

- [CNA](https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories)
- [CNA](https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.30%
- **EPSS Percentile:** 22.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._