{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-64528","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2025-11-05T21:15:39.401Z","datePublished":"2025-12-30T16:04:10.093Z","dateUpdated":"2025-12-30T18:11:53.787Z"},"containers":{"cna":{"title":"Users are able to find users by name even when `enable_names` is off","problemTypes":[{"descriptions":[{"cweId":"CWE-202","lang":"en","description":"CWE-202: Exposure of Sensitive Information Through Data Queries","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"}}],"references":[{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4"},{"name":"https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81"},{"name":"https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df"},{"name":"https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2"}],"affected":[{"vendor":"discourse","product":"discourse","versions":[{"version":"< 3.5.3","status":"affected"},{"version":">= 2025.11.0-latest, < 2025.11.1","status":"affected"},{"version":">= 2025.12.0-latest, < 2025.12.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2025-12-30T16:04:10.093Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-c59w-jwx7-34v4","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-30T18:10:27.701529Z","id":"CVE-2025-64528","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-12-30T18:11:53.787Z"}}]}}