A policy-enforcement flaw in Zimbra Collaboration Suite allows an authenticated user to bypass disabled mail forwarding by using a Sieve notify action to send copies of email content and headers to an arbitrary address.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories |
|
History
Thu, 08 Oct 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Zimbra
Zimbra zimbra Collaboration Suite |
|
| Vendors & Products |
Zimbra
Zimbra zimbra Collaboration Suite |
Thu, 08 Oct 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A policy-enforcement flaw in Zimbra Collaboration Suite allows an authenticated user to bypass disabled mail forwarding by using a Sieve notify action to send copies of email content and headers to an arbitrary address. | |
| Title | Zimbra Collaboration Suite Sieve Notify Filter Action Bypasses Mail Forwarding Restriction via Variable Expansion | |
| Weaknesses | CWE-863 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: rapid7
Published:
Updated: 2026-10-08T19:10:22.565Z
Reserved: 2026-06-03T09:35:31.591Z
Link: CVE-2026-50055
No data.
Status : Awaiting Analysis
Published: 2026-10-08T17:17:17.307
Modified: 2026-10-08T20:49:23.240
Link: CVE-2026-50055
No data.
OpenCVE Enrichment
Updated: 2026-10-08T18:45:17Z
Weaknesses