CVE-2025-68645 — Actively Exploited: Zimbra Collaboration Suite (ZCS) (Synacor)
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.
| CVE ID | CVE-2025-68645 |
|---|---|
| Vendor | Synacor |
| Product | Zimbra Collaboration Suite (ZCS) |
| Vulnerability name | Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability |
| Date added | 2026-01-22 |
| Remediation due | 2026-02-12 |
| Known ransomware use | Unknown |
| 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. |
| Description | 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. |
| Source | CISA Known Exploited Vulnerabilities |
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