{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"zookeeper","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NVYC8HB07DM3B4D7R4DZH8","modified_at":"2026-10-01T03:03:51.299029381Z","published_at":"2026-09-16T10:16:53.433Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-84439","https://security-tracker.debian.org/tracker/CVE-2026-84439"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-84439","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-84439"}],"summary":"When audit logging is enabled (zookeeper.audit.enable=true), an unauthenticated attacker can inject arbitrary fields into Apache ZooKeeper's audit log by sending a digest authentication request with t"}