{"id":"CVE-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":["BIT-discourse-2025-64528","GHSA-c59w-jwx7-34v4"],"modified":"2026-08-12T03:51:48.461415562Z","published":"2025-12-30T16:04:10.093Z","database_specific":{"cwe_ids":["CWE-202"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64528.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64528.json"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64528"},{"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/discourse/discourse","events":[{"introduced":"0"},{"fixed":"99ca8f2a8b13fad8c6e19c7d8b81f4108a4875b0"},{"introduced":"75d61b40ee928a4620b16f5438ca886678fab00d"},{"fixed":"1cb45b8b287597085e3514596ffb1d9b41938f81"},{"fixed":"6192f55629624925595dae14364fd86cac0f09df"},{"fixed":"e936a523b5900a9d866d23ea3da904ba12bb0fb2"}],"database_specific":{"cpe":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2025.11.0:*:*:*:stable:*:*:*","cpe:2.3:a:discourse:discourse:2025.12.0:*:*:*:stable:*:*:*"],"extracted_events":[{"introduced":"0"},{"fixed":"3.5.3"},{"introduced":"2025.11.0"},{"last_affected":"2025.11.0"},{"introduced":"2025.12.0"},{"last_affected":"2025.12.0"}],"source":["CPE_RANGE","CPE_STRING","REFERENCES"]}}],"versions":["2025.11.0","2025.12.0","v2025.11.0","v2025.12.0-latest","v3.5.2","v3.6.0.beta2","v3.5.1","v3.6.0.beta1","v3.5.0","v3.5.0.beta9","v3.4.7","v3.5.0.beta8","v3.4.6","v3.5.0.beta7","v3.4.5","v3.5.0.beta6","v3.4.4","v3.5.0.beta5","v3.5.0.beta4","v3.4.3","v3.5.0.beta3","v3.4.2","v3.5.0.beta2","v3.4.1","v3.5.0.beta1","v3.4.0","v3.3.4","v3.4.0.beta4","v3.3.3","v3.4.0.beta3","v3.3.2","v3.4.0.beta2","v3.3.1","v3.4.0.beta1","v3.3.0","v3.2.5","v3.3.0.beta5","v3.3.0.beta6","v3.2.4","v3.3.0.beta4","v3.2.3","v3.3.0.beta3","v3.2.2","v3.3.0.beta2","v3.3.0.beta1","v3.2.1","v3.2.0","v3.1.5","v3.2.0.beta5","v3.1.4","v3.2.0.beta4","v3.1.3","v3.2.0.beta3","v3.1.2","v3.2.0.beta2","v3.1.1","v3.2.0.beta1","v3.1.0","v3.0.6","v3.1.0.beta8","v3.1.0.beta7","v3.0.5","v3.1.0.beta6","v3.0.4","v3.1.0.beta5","v3.0.3","v3.1.0.beta4","v3.0.2","v3.1.0.beta3","v3.0.1","v3.1.0.beta2","v3.0.0","v3.1.0.beta1","v2.8.14","v3.0.0.beta16","v3.0.0.beta15","v2.8.13","v2.9.0.beta14","v2.8.12","v2.9.0.beta13","v2.8.11","v2.9.0.beta12","v2.8.10","v2.9.0.beta11","v2.8.9","v2.9.0.beta10","v2.8.8","v2.9.0.beta9","v2.8.7","v2.9.0.beta8","v2.8.6","v2.9.0.beta7","v2.8.5","v2.8.4","v2.9.0.beta6","v2.9.0.beta5","v2.9.0.beta4","v2.8.3","v2.8.2","v2.9.0.beta3","v2.8.1","v2.9.0.beta2","v2.8.0","v2.9.0.beta1","v2.7.13","v2.8.0.beta11","v2.7.12","v2.8.0.beta10","v2.7.11","v2.8.0.beta9","v2.7.10","v2.8.0.beta8","v2.7.9","v2.8.0.beta7","v2.7.8","v2.8.0.beta6","v2.8.0.beta5","v2.7.7","v2.7.6","v2.8.0.beta4","v2.8.0.beta3","v2.7.5","v2.7.4","v2.7.3","v2.8.0.beta2","v2.7.2","v2.7.1","v2.7.0","v2.8.0.beta1","v2.6.7","v2.7.0.beta9","v2.6.6","v2.7.0.beta8","v2.6.5","v2.7.0.beta7","v2.6.4","v2.7.0.beta6","v2.6.3","v2.7.0.beta5","v2.6.2","v2.7.0.beta4","v2.6.1","v2.7.0.beta3","v2.7.0.beta2","v2.6.0","v2.5.5","v2.7.0.beta1","v2.6.0.beta6","v2.5.4","v2.6.0.beta5","v2.5.3","v2.6.0.beta4","v2.5.2","v2.6.0.beta3","v2.5.1","v2.6.0.beta2","v2.5.0","v2.6.0.beta1","v2.4.5","v2.5.0.beta7","v2.5.0.beta6","v2.4.4","v2.5.0.beta5","v2.4.3","v2.5.0.beta4","v2.4.2","v2.5.0.beta3","v2.4.1","v2.5.0.beta2","v2.4.0","v2.5.0.beta1","v2.3.10","v2.4.0.beta11","v2.3.9","v2.4.0.beta10","v2.3.8","v2.4.0.beta9","v2.3.7","v2.4.0.beta8","v2.3.6","v2.4.0.beta7","v2.3.5","v2.4.0.beta6","v2.3.4","v2.4.0.beta5","v2.4.0.beta4","v2.3.3","v2.4.0.beta3","v2.3.2","v2.4.0.beta2","v2.3.1","v2.3.0","v2.4.0.beta1","v2.2.6","v2.3.0.beta11","v2.2.5","v2.3.0.beta10","v2.3.0.beta9","v2.2.4","v2.3.0.beta8","v2.3.0.beta7","v2.3.0.beta6","v2.2.3","v2.3.0.beta5","v2.2.2","v2.3.0.beta4","v2.3.0.beta3","v2.2.1","v2.3.0.beta2","v2.2.0","v2.3.0.beta1","v2.1.8","v2.2.0.beta10","v2.2.0.beta9","v2.1.7","v2.2.0.beta8","v2.1.6","v2.2.0.beta7","v2.1.5","v2.2.0.beta6","v2.1.4","v2.2.0.beta5","v2.1.3","v2.2.0.beta4","v2.1.2","v2.2.0.beta3","v2.1.1","v2.2.0.beta2","v2.1.0","v2.2.0.beta1","v2.0.5","v2.1.0.beta6","v2.0.4","v2.1.0.beta5","v2.0.3","v2.1.0.beta4","v2.1.0.beta3","v2.0.2","v2.1.0.beta2","v2.0.1","v2.0.0","v2.1.0.beta1","v1.9.7","v2.0.0.beta10","v2.0.0.beta9","v2.0.0.beta8","v1.9.6","v2.0.0.beta7","v1.9.5","v2.0.0.beta6","v1.9.4","v2.0.0.beta5","v2.0.0.beta4","v1.9.3","v2.0.0.beta3","v1.9.2","v2.0.0.beta2","v1.9.1","v1.9.0","v2.0.0.beta1","v1.8.11","v1.9.0.beta17","v1.8.10","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