High severity8.8CISA KEVOSV Advisory· Published Dec 22, 2025· Updated Jun 17, 2026
CVE-2025-68645
CVE-2025-68645
Description
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
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Affected products
3- cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*Range: >=10.0.0,<10.0.18
- Range: >= 10.0, <= 10.1
Patches
Vulnerability mechanics
References
3- wiki.zimbra.com/wiki/Security_CenternvdRelease NotesVendor Advisory
- wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_PolicynvdProduct
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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