{"id":"CVE-2026-50057","revision":null,"records":[{"revision":"3a4b4c4262834181b7c4f6e84d949a16","observedAt":"2026-10-24T04:48:20.602+00:00","statement":{"source":"cve-program","id":"CVE-2026-50057","aliases":[],"title":"Zimbra Collaboration Suite Local Privilege Escalation via Unrestricted Postfix Sudo Permissions","description":"A local privilege escalation vulnerability in the Zimbra Collaboration Suite (ZCS) MTA package allows the Unix zimbra account to execute arbitrary commands as root. The installed sudo policy permits passwordless root execution of Postfix administration commands without restricting their arguments. An attacker can select a zimbra-controlled daemon_directory in the Postfix configuration and invoke postfix set-permissions, causing Postfix to execute the attacker's post-install program as root. The Postfix configuration directory is also writable by zimbra, so restricting postconf alone does not remove the execution path. Exploitation requires local command execution as zimbra on an MTA node. ZCS 10.1.16 and 10.1.21 are affected.","state":0,"publishedAt":"2026-10-23T13:33:29.682+00:00","modifiedAt":"2026-10-24T03:55:21.825+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                            \"lessThanOrEqual\": \"10.1.21\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-50057","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-50057","identifiers":["CVE-2026-50057"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-24T13:19:59.8513894+00:00","complete":true,"records":1756,"lastAttemptAt":"2026-10-24T13:19:59.8513894+00:00","lastSuccessAt":"2026-10-24T13:20:00.018354+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:20:00.0183559+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-9b3cad78792c7367da03684feab05819ddebc4d137048bdbbdabdbb4d2879391-24d772d6d275e66ff9b846f5e1dd397cdb05cd344ee3edac1671551b05b4b42b","complete":true,"records":413898,"lastAttemptAt":"2026-10-24T13:17:09.7466599+00:00","lastSuccessAt":"2026-10-24T13:07:12.6126357+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:17:09.7466599+00:00","snapshotPublishedAt":"2026-10-24T12:29:02+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-280ab9b738c440619b1566ef8acc890e","complete":false,"records":159,"lastAttemptAt":"2026-10-24T13:23:48.3812887+00:00","lastSuccessAt":"2026-10-24T13:23:48.4033916+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:23:48.4033916+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-24T13:19:59.8513894+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-24T13:19:59.8513894+00:00","lastSuccessAt":"2026-10-24T13:20:00.1461791+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:20:00.1461806+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0dce8e3d280c4fd5acb49a1dbc4ac557","complete":false,"records":475,"lastAttemptAt":"2026-10-24T13:20:25.5538155+00:00","lastSuccessAt":"2026-10-24T13:20:25.548+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:20:25.548+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":500,"expectedIdentifiers":13474},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-2375a4e597279abf92e8747e140fe8da9d421877cd49cae3ac69a2cb78469b2c","complete":true,"records":9779,"lastAttemptAt":"2026-10-24T13:19:54.7393519+00:00","lastSuccessAt":"2026-10-24T13:19:53.1346702+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:19:54.7393519+00:00","snapshotPublishedAt":"2026-10-24T03:03:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-16ad89dfea13ab9e9b0108e63a759d63bd4559cc68b58491107d62ee35bbbaf2","complete":true,"records":1965,"lastAttemptAt":"2026-10-24T13:17:10.0113348+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:17:10.0113348+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-7da67a15aa6e56a0e3081a7646dc74d537e6ef974afc593c2b1794ed01970648","complete":true,"records":2969,"lastAttemptAt":"2026-10-24T13:19:59.8029152+00:00","lastSuccessAt":"2026-10-24T13:19:59.1145547+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:19:59.8029152+00:00","snapshotPublishedAt":"2026-10-24T08:47:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-01c673643721642d348dd2cebd6ec154e69bb7cd20a86eeae91240dc3610a60f","complete":true,"records":230735,"lastAttemptAt":"2026-10-24T13:19:40.4739691+00:00","lastSuccessAt":"2026-10-24T13:19:32.2429544+00:00","error":null,"lastVerifiedAt":"2026-10-24T13:19:40.4739691+00:00","snapshotPublishedAt":"2026-10-24T04:48:23+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null}]}