{"id":"CVE-2026-23927","details":"A user able to connect to Agent 2 can inject an Oracle TNS connection string via the 'service' parameter. This can lead to Agent 2 connecting to an attacker-controlled server and leaking Oracle database credentials if they are saved in a named session.","modified":"2026-09-20T14:24:11.815500Z","published":"2026-05-06T08:16:02.940Z","references":[{"type":"ADVISORY","url":"https://support.zabbix.com/browse/ZBX-27759"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zabbix/zabbix","events":[{"introduced":"5203d2ea7d901cd33d148f20586e2155901a7faa"},{"fixed":"d8c5768f7d09e99586d81237c2c891ce20280cc8"},{"introduced":"49955f1fb5c9168a8a24b053f7ade6b3d903143c"},{"fixed":"36bdd34b378e8731c7c825df38c364e00a76e6a5"},{"introduced":"372a4e93c48ecd25aa666949a055a02369031861"},{"fixed":"6b0f6b25da00d2c2a0dc2035ba2285aa51c85865"}],"database_specific":{"cpe":"cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"6.0.0"},{"fixed":"6.0.45"},{"introduced":"7.0.0"},{"fixed":"7.0.24"},{"introduced":"7.4.0"},{"fixed":"7.4.8"}],"source":"CPE_RANGE"}}],"versions":["7.4.8rc3","7.0.24rc3","7.4.8rc2","7.0.24rc2","6.0.45rc1","7.4.8rc1","7.0.24rc1","6.0.44","7.0.23","7.4.7","7.4.7rc3","7.4.7rc2","6.0.44rc1","7.0.23rc2","7.0.23rc1","7.4.7rc1","7.4.6","7.0.22","6.0.43","7.0.22rc3","6.0.43rc1","7.4.6rc2","7.4.6rc1","7.0.22rc2","7.0.22rc1","7.0.20","7.0.21","7.4.5","7.4.4","7.0.20rc1","7.4.4rc1","7.0.19","7.4.3","6.0.42","7.4.3rc1","7.0.19rc1","6.0.42rc1","7.4.2","7.0.18","6.0.41","7.0.18rc2","7.4.2rc2","7.0.18rc1","7.4.2rc1","6.0.41rc1","7.4.1","7.0.17","7.4.1rc1","7.0.17rc2","7.0.17rc1","7.0.16","7.0.15","7.4.0","7.0.14","7.0.14rc1","6.0.39","7.0.13","7.0.13rc1","6.0.40","7.0.12","7.0.12rc1","7.0.11","7.0.11rc2","7.0.11rc1","6.0.40rc1","7.0.10","7.0.10rc1","6.0.39rc1","6.0.38","7.0.9","7.0.9rc2","6.0.38rc1","7.0.9rc1","7.0.8","7.0.8rc2","7.0.8rc1","7.0.7","7.0.7rc1","7.0.6","7.0.6rc1","6.0.37","6.0.37rc1","6.0.36","6.0.36rc1","6.0.35","7.0.5","6.0.35rc1","7.0.5rc1","6.0.34","6.0.34rc2","7.0.4","7.0.4rc1","6.0.34rc1","7.0.3","6.0.33rc1","6.0.33","7.0.3rc1","7.0.2","7.0.2rc2","7.0.2rc1","7.0.1","7.0.1rc2","6.0.32","7.0.1rc1","6.0.32rc1","6.0.31","6.0.31rc1","7.0.0","6.0.30","6.0.30rc1","6.0.29","6.0.29rc1","6.0.28","6.0.28rc1","6.0.27rc1","6.0.27","6.0.26","6.0.26rc1","6.0.25","6.0.25rc1","6.0.23","6.0.23rc1","6.0.22","6.0.22rc1","6.0.21","6.0.21rc1","6.0.20","6.0.20rc1","6.0.19","6.0.19rc1","6.0.18rc1","6.0.18","6.0.17","6.0.17rc2","6.0.17rc1","6.0.16","6.0.16rc1","6.0.15","6.0.15rc2","6.0.15rc1","6.0.14","6.0.14rc2","6.0.14rc1","6.0.13","6.0.13rc1","6.0.12","6.0.12rc2","6.0.12rc1","6.0.11","6.0.11rc2","6.0.11rc1","6.0.10rc1","6.0.10","6.0.10rc2","6.0.9","6.0.9rc2","6.0.9rc1","6.0.8","6.0.8rc2","6.0.8rc1","6.0.7","6.0.1","6.0.7rc1","6.0.6","6.0.6rc1","6.0.5","6.0.5rc1","6.0.4","6.0.4rc1","6.0.3","6.0.3rc1","6.0.2","6.0.2rc1","6.0.1rc4","6.0.1rc3","6.0.1rc2","6.0.1rc1","6.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23927.json","vanir_signatures_modified":"2026-09-20T14:24:11Z","vanir_signatures":[{"source":"https://github.com/zabbix/zabbix/commit/6b0f6b25da00d2c2a0dc2035ba2285aa51c85865","target":{"file":"src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"},"deprecated":false,"digest":{"line_hashes":["2575989339259640105311353590351376328","261745388088049729003388450910874131284","78615119555629258408370069502963169562","106265636532305374733445754623506502550","142981670864924541529460717571059194747","276456720699755867738555225603931221904"],"threshold":0.9},"id":"CVE-2026-23927-3c3866b9","signature_type":"Line","signature_version":"v1"},{"source":"https://github.com/zabbix/zabbix/commit/d8c5768f7d09e99586d81237c2c891ce20280cc8","target":{"file":"src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"},"deprecated":false,"digest":{"line_hashes":["13006993947316681917700725759978790726","246202365619345375288485124626876863591","211408096376471392416611541472284431260","270294714855371664368322160720009475489","60583027902879434151887895598095070927","190443916206833154001079149101507226106"],"threshold":0.9},"id":"CVE-2026-23927-84ec59d2","signature_type":"Line","signature_version":"v1"},{"target":{"file":"src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"},"deprecated":false,"digest":{"line_hashes":["328694341909655700810807882163230140941","12061819213497335241319149757757382988","8781501731097225876935453466613140553","132482256639643116861018651525990961205","188121564415475832297632590253969155136","36080719019429417973525356404344529663"],"threshold":0.9},"id":"CVE-2026-23927-92c6c503","signature_type":"Line","signature_version":"v1","source":"https://github.com/zabbix/zabbix/commit/36bdd34b378e8731c7c825df38c364e00a76e6a5"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"}]}