{"id":"ALPINE-CVE-2023-40577","details":"Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.","modified":"2026-11-03T06:32:59.185583063Z","published":"2023-08-25T01:15:09.177Z","upstream":["CVE-2023-40577"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-40577"}],"affected":[{"package":{"name":"alertmanager","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/alertmanager?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-40577.json"}},{"package":{"name":"alertmanager","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/alertmanager?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-40577.json"}},{"package":{"name":"alertmanager","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/alertmanager?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-40577.json"}},{"package":{"name":"alertmanager","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/alertmanager?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-40577.json"}},{"package":{"name":"alertmanager","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/alertmanager?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-40577.json"}},{"package":{"name":"alertmanager","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/alertmanager?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-40577.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}