CVE-2026-73574

LOW CVSS 3.1: 3.1 EPSS 0.20%
Updated Aug 21, 2026
Zimbra
Parameter Value
CVSS 3.1 (LOW)
Affected Versions before 10.1.17
Fixed In 10.1.17
Type CWE-669 (Incorrect Resource Transfer Between Spheres)
Vendor Zimbra
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Zimbra Collaboration
cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*
10.1.17