{"id":"BIT-discourse-2025-64528","summary":"Users are able to find users by name even when `enable_names` is off","details":"Discourse is an open source discussion platform. Prior to versions 3.5.3, 2025.11.1, and 2025.12.0, an attacker who knows part of a username can find the user and their full name via UI or API, even when `enable_names` is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix.","aliases":["CVE-2025-64528","GHSA-c59w-jwx7-34v4"],"modified":"2026-09-08T08:46:18.985766122Z","published":"2026-01-08T11:40:33.666Z","database_specific":{"cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*","cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*","cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"FIX","url":"https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64528"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/discourse"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.5.3"},{"introduced":"2025.11.0"},{"fixed":"2025.11.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2025-64528.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}