CVE-2025-68645
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra...
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
- Record
CVE-2025-68645- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-98
- Updated
- 2026-11-02
EUVDEUVD-2025-204719
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
- Record
EUVD-2025-204719- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xc78-3c4g-m5g9
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra...
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
- Record
GHSA-xc78-3c4g-m5g9- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-98
- Updated
- 2026-11-02
CISA KEV No score
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.
- Record
CVE-2025-68645- Weakness
- CWE-98
- Updated
- 2026-11-02
NVD
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
- Record
CVE-2025-68645- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-98
- Updated
- 2026-11-04
OSV
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
- Record
CVE-2025-68645- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-05
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | codeb0ssx/CVE-2025-68645-PoC | 2025-12-30 |
| PoC in GitHub | MaxMnMl/zimbramail-CVE-2025-68645-poc | 2026-01-01 |
| PoC in GitHub | faysalferdous/CVE-2025-68645-Exploiting-Zimbra-Webmail-LFI-Vulnerability | 2026-02-10 |
| PoC in GitHub | Crow5-oss/CVE-2025-68645 | 2026-02-21 |
| PoC in GitHub | 0xBlackash/CVE-2025-68645 | 2026-04-24 |
| PoC in GitHub | HarisAidhin/Poc_CVE-2025-68645 | 2026-05-06 |
| PoC in GitHub | Ashwesker/Ashwesker-CVE-2025-68645 | 2026-08-07 |
| Nuclei | Zimbra Collaboration - Local File Inclusion |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-68645 is a high vulnerability (CVSS 8.8) in Synacor Zimbra Collaboration Suite (zcs), published December 22, 2025. CISA lists it as known to be exploited, since January 22, 2026. EUVD reports exploitation since January 22, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 48.9%, the 98th percentile. No source names a fixed version.
References
wiki.zimbra.com/wiki/Security_Center
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645
nvd.nist.gov/vuln/detail/CVE-2025-68645
github.com/advisories/GHSA-xc78-3c4g-m5g9