In Zammad 6.4.x before 6.4.2, an authenticated agent with knowledge base permissions was able to use the Zammad API to fetch knowledge base content that they have no permission for.
{ "versions": [ { "introduced": "6.4.0" }, { "fixed": "6.4.2" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-32357.json"