ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·1/22/2026
CVE-2025-68645 added to CISA KEV: Synacor Zimbra Collaboration Suite (ZCS)
Status: ✅ Confirmed exploited in the wild
Date added: 2026-01-22
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due date: 2026-02-12
Why this matters
Synacor Zimbra Collaboration Suite (ZCS) contains a PHP remote file inclusion vulnerability that could allow for remote attackers to craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
Sources
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