{"id":"CVE-2026-23930","details":"An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.","modified":"2026-09-10T08:13:47.492448Z","published":"2026-08-18T13:17:21.303Z","references":[{"type":"ADVISORY","url":"https://support.zabbix.com/browse/ZBX-28069"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zabbix/zabbix","events":[{"introduced":"5203d2ea7d901cd33d148f20586e2155901a7faa"},{"fixed":"39db3e7dce42aca1f772888804eb3280627347f0"},{"introduced":"49955f1fb5c9168a8a24b053f7ade6b3d903143c"},{"fixed":"e4b2990bfed4d08d711394444097a5ff4772466d"},{"introduced":"372a4e93c48ecd25aa666949a055a02369031861"},{"fixed":"a6a1f80f9dd9c9461513853ecabc5b1a6c7dd521"}],"database_specific":{"extracted_events":[{"introduced":"6.0.0"},{"fixed":"6.0.47"},{"introduced":"7.0.0"},{"fixed":"7.0.27"},{"introduced":"7.4.0"},{"fixed":"7.4.11"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*"}}],"versions":["6.0.47rc1","7.4.11rc2","7.4.11rc1","7.0.27rc1","6.0.46","7.0.26","7.4.10","7.4.10rc1","7.0.26rc1","6.0.46rc1","7.4.9","7.0.25","7.4.9rc1","7.0.25rc1","6.0.45","7.4.8","7.0.24","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-2026-23930.json","vanir_signatures_modified":"2026-09-10T08:13:47Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/zabbix/zabbix/commit/39db3e7dce42aca1f772888804eb3280627347f0","target":{"file":"src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"},"deprecated":false,"digest":{"line_hashes":["61950285254057822375511809511230316649","202208457591449445730552017254530970731","22806171998387866034443206406648060655","124374908236790130710091146456556061826","210859921065700170806321554218079188008","230192658099312171426732252572302441243"],"threshold":0.9},"id":"CVE-2026-23930-87d0c2f8","signature_type":"Line"},{"id":"CVE-2026-23930-a8156f50","signature_type":"Line","signature_version":"v1","source":"https://github.com/zabbix/zabbix/commit/a6a1f80f9dd9c9461513853ecabc5b1a6c7dd521","target":{"file":"src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["80225613835803133910910126596852952088","230058783349080063223687654489728332059","177878195683979894346014332267148188511","188349145695577399953969866264285031573","329342636515519127775980169026149266987","58272670197979715614362102333779585045"]}},{"signature_version":"v1","source":"https://github.com/zabbix/zabbix/commit/e4b2990bfed4d08d711394444097a5ff4772466d","target":{"file":"src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"},"deprecated":false,"digest":{"line_hashes":["333406838192985303553783787161722961189","156129663047399997922495101387796055769","252626966670648624700598000650461445114","188642116474187757724379112141936471334","191132183165099214826289054637735751046","170621029598218961559184615347454783088"],"threshold":0.9},"id":"CVE-2026-23930-d94b113d","signature_type":"Line"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}