{"id":"CVE-2026-50055","revision":"55017c3ea93345ae9222aaded6c4f6f6","records":[{"revision":"55017c3ea93345ae9222aaded6c4f6f6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-50055","aliases":[],"title":"Zimbra Collaboration Suite Sieve Notify Filter Action Bypasses Mail Forwarding Restriction via Variable Expansion","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.","state":0,"publishedAt":"2026-10-08T16:25:42.312+00:00","modifiedAt":"2026-10-08T19:10:22.565+00:00","affected":[{"ecosystem":"Vendor product","name":"Zimbra Collaboration Suite","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Zimbra\",\n                    \"product\": \"Zimbra Collaboration Suite\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"10.1.20\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-50055","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-50055","identifiers":["CVE-2026-50055"]},"retained":false,"historicalAffected":[]}],"coverage":[]}