Summary
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.
- Vendor
- Synacor
- Product
- Zimbra Collaboration Suite (ZCS)
- Added to KEV
- Jan 22, 2026
- Remediation due
- Feb 12, 2026 (US federal deadline)
- Ransomware use
- Not known
- Weakness
- CWE-98
- EPSS
- 50.6% as of Nov 12
In the news
- No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
- none recorded
References