CVE-2025-68645: Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability
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. 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.
· high severity · unattributed attribution
Evidence and provenance
- Original source
- CISA KEV report ↗
- Published
- 2026-01-22T00:00:00Z
- Confidence basis
- No actor match
- Record ID
c3d1db7b79ad1fc65ed8
Vulnerabilities
CVE-2025-68645
Use and citation
Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.