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CVE-2025-68645

CISA KEV

Published January 22, 2026 · Updated April 3, 2026

high
Official 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.

Affected Products

VendorProduct
Synacor Zimbra Collaboration Suite (ZCS)

Patch Status

Patch by 2026-02-12

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2025-68645.