# Zimbra security incidents · pwn.watch

> Security incidents tagged Zimbra (vendor, product, platform or attack type).

Page: https://pwn.watch/t/zimbra · generated 2026-10-22T21:47:37.879Z

## Status (as of 2026-10-22)
- Incidents: 11 (0 live, 0 live and not fully patched, 11 patched)
- Days without a Zimbra security incident: 62
- Newest incident started: 2026-08-21

## Feeds
- JSON (incidents + changes + posts): https://pwn.watch/t/zimbra.json
- RSS (one item per incident, bumped on each update): https://pwn.watch/t/zimbra/feed.xml
- This file: https://pwn.watch/t/zimbra/llms.txt
- Whole site: https://pwn.watch/llms.txt · all tags: https://pwn.watch/tags.json

## Incidents (newest first by start date)
- [Synacor Zimbra Collaboration Suite (ZCS): Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2026-73570) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2026-73570.json)): high, closed, patched, started 2026-08-21, CVE-2026-73570
- [Synacor Zimbra Collaboration Suite (ZCS): Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-48700) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-48700.json)): high, closed, patched, started 2026-04-20, CVE-2025-48700
- [Synacor Zimbra Collaboration Suite (ZCS): Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-66376) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-66376.json)): high, closed, patched, started 2026-03-18, CVE-2025-66376
- [Synacor Zimbra Collaboration Suite (ZCS): Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-68645) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-68645.json)): high, closed, patched, started 2026-01-22, CVE-2025-68645
- [Synacor Zimbra Collaboration Suite (ZCS): Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-27915) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2025-27915.json)): medium, closed, patched, started 2025-10-07, CVE-2025-27915
- [Synacor Zimbra Collaboration Suite (ZCS): Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2019-9621) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2019-9621.json)): high, closed, patched, started 2025-07-07, CVE-2019-9621
- [Synacor Zimbra Collaboration Suite (ZCS): Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2024-27443) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2024-27443.json)): medium, closed, patched, started 2025-05-19, CVE-2024-27443
- [Synacor Zimbra Collaboration Suite (ZCS): Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2023-34192) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2023-34192.json)): critical, closed, patched, started 2025-02-25, CVE-2023-34192
- [Synacor Zimbra Collaboration Suite (ZCS) Command Execution](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2024-45519) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2024-45519.json)): critical, closed, patched, started 2024-10-02, CVE-2024-45519
- [Synacor Zimbra Collaboration Suite (ZCS): Cross-Site Scripting (XSS) (CVE-2023-37580)](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2023-37580) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2023-37580.json)): medium, closed, patched, started 2023-07-27, CVE-2023-37580
- [Synacor Zimbra Collaboration Suite (ZCS): Cross-Site Scripting (XSS) (CVE-2022-27926)](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2022-27926) ([json](https://pwn.watch/i/synacor-zimbra-collaboration-suite-zcs-cve-2022-27926.json)): medium, closed, patched, started 2023-04-03, CVE-2022-27926