{"id":"CVE-2026-93635","aliases":["EUVD-2026-101457","GHSA-fqwq-55mh-xc85"],"status":"published","title":"Zimbra Collaboration Suite LDAP Filter Injection via Unescaped computeDn() Template Substitution","description":"LDAP filter injection in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to alter external LDAP search filters. On domains using search-filter authentication and lazy provisioning, this creates a password oracle for external directory users. Authenticated S/MIME lookups can also return certificates and identity data for unintended directory entries.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00242,"percentile":0.15411,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-90"],"published":"2026-10-14T16:24:33Z","modified":"2026-10-16T19:55:59Z","products":[{"vendor":"zimbra","product":"zimbra collaboration suite"}],"references":[{"url":"https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93635"},{"url":"https://github.com/advisories/GHSA-fqwq-55mh-xc85"}],"sources":{"cve":[{"id":"CVE-2026-93635","title":"Zimbra Collaboration Suite LDAP Filter Injection via Unescaped computeDn() Template Substitution","description":"LDAP filter injection in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to alter external LDAP search filters. On domains using search-filter authentication and lazy provisioning, this creates a password oracle for external directory users. Authenticated S/MIME lookups can also return certificates and identity data for unintended directory entries.","status":"published","published":"2026-10-14T16:24:33.121Z","modified":"2026-10-16T15:31:51.597Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T14:19:54.50686Z"}],"euvd":[{"id":"EUVD-2026-101457","description":"LDAP filter injection in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to alter external LDAP search filters. On domains using search-filter authentication and lazy provisioning, this creates a password oracle for external directory users. Authenticated S/MIME lookups can also return certificates and identity data for unintended directory entries.","status":"published","published":"2026-10-14T16:24:33Z","modified":"2026-10-16T15:31:51Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T17:00:05.229655Z"}],"ghsa":[{"id":"GHSA-fqwq-55mh-xc85","title":"LDAP filter injection in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated...","description":"LDAP filter injection in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to alter external LDAP search filters. On domains using search-filter authentication and lazy provisioning, this creates a password oracle for external directory users. Authenticated S/MIME lookups can also return certificates and identity data for unintended directory entries.","status":"published","published":"2026-10-14T18:32:27Z","modified":"2026-10-14T18:32:28Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T15:13:27.339015Z"}],"nvd":[{"id":"CVE-2026-93635","description":"LDAP filter injection in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to alter external LDAP search filters. On domains using search-filter authentication and lazy provisioning, this creates a password oracle for external directory users. Authenticated S/MIME lookups can also return certificates and identity data for unintended directory entries.","status":"published","published":"2026-10-14T17:20:21.297Z","modified":"2026-10-16T19:55:59.74Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T14:12:59.328869Z"}]}}