CVE-2026-73574
Low
Description
In Zimbra Collaboration before 10.1.17, a local file inclusion (LFI) vulnerability exists in the Zimbra Classic Web Client due to improper validation of the fu request parameter. An unauthenticated attacker can exploit this vulnerability by supplying a crafted path, potentially allowing unauthorized disclosure of protected files, such as WEB-INF/web.xml, within the web application directory. This occurs in the Forward servlet.
SeverityLow
CVSS3.1
Exploit probability—
Product
Synacor Zimbra Collaboration Suite
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-669CWE-669
How to fix
Update
- synacor zimbra_collaboration_suite10.1.17 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| synacor zimbra_collaboration_suite | v < 10.1.17 | 10.1.17 |
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