{"id":"BIT-discourse-2023-48297","summary":"Discourse vulnerable to unlimited mentioned users in message serializer","details":"Discourse is a platform for community discussion. The message serializer uses the full list of expanded chat mentions (@all and @here) which can lead to a very long array of users. This issue was patched in versions 3.1.4 and beta 3.2.0.beta5.","aliases":["CVE-2023-48297","GHSA-hf2v-r5xm-8p37"],"modified":"2026-09-08T08:46:14.781798307Z","published":"2024-03-06T10:51:42.888Z","database_specific":{"cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*","cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:3.2.0:beta1:*:*:beta:*:*:*","cpe:2.3:a:discourse:discourse:3.2.0:beta2:*:*:beta:*:*:*","cpe:2.3:a:discourse:discourse:3.2.0:beta3:*:*:beta:*:*:*","cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*"],"severity":"High"},"references":[{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-hf2v-r5xm-8p37"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48297"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/discourse"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.1.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2023-48297.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}