{"id":"DEBIAN-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":"2026-09-15T09:02:45.855389067Z","published":"2023-08-25T01:15:09.177Z","upstream":["CVE-2023-40577"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-40577"}],"affected":[{"package":{"name":"prometheus-alertmanager","ecosystem":"Debian:12","purl":"pkg:deb/debian/prometheus-alertmanager?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.25.0+ds-1","0.25.0-1","0.26.0+ds-1","0.27.0+ds-1","0.27.0+ds-2","0.27.0+ds-3","0.28.0+ds-1","0.28.0+ds-2","0.28.1+ds-1","0.28.1+ds-2","0.28.1+ds-3","0.29.0+ds-1","0.30.1+ds-1","0.31.1+ds-1","0.31.1+ds-2","0.33.1-1","0.33.1-2","0.33.1-3","0.33.1-4"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-40577.json"}},{"package":{"name":"prometheus-alertmanager","ecosystem":"Debian:13","purl":"pkg:deb/debian/prometheus-alertmanager?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0+ds-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-40577.json"}},{"package":{"name":"prometheus-alertmanager","ecosystem":"Debian:14","purl":"pkg:deb/debian/prometheus-alertmanager?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.0+ds-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-40577.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}