CVE-2025-64528

{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-64528", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-12-30T18:10:27.701529Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-30T18:10:31.792Z"}}], "cna": {"title": "Users are able to find users by name even when `enable_names` is off", "source": {"advisory": "GHSA-c59w-jwx7-34v4", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.3, "attackVector": "NETWORK", "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", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW"}}], "affected": [{"vendor": "discourse", "product": "discourse", "versions": [{"status": "affected", "version": "< 3.5.3"}, {"status": "affected", "version": ">= 2025.11.0-latest, < 2025.11.1"}, {"status": "affected", "version": ">= 2025.12.0-latest, < 2025.12.0"}]}], "references": [{"url": "https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4", "name": "https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81", "name": "https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df", "name": "https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2", "name": "https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2", "tags": ["x_refsource_MISC"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-202", "description": "CWE-202: Exposure of Sensitive Information Through Data Queries"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-12-30T16:04:10.093Z"}}}, "cveMetadata": {"cveId": "CVE-2025-64528", "state": "PUBLISHED", "dateUpdated": "2025-12-30T18:11:53.787Z", "dateReserved": "2025-11-05T21:15:39.401Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2025-12-30T16:04:10.093Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "discourse", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 3.5.3"}, {"status": "affected", "version": ">= 2025.11.0-latest, < 2025.11.1"}, {"status": "affected", "version": ">= 2025.12.0-latest, < 2025.12.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*", "matchCriteriaId": "643E43BA-A6B7-4346-BE51-04B62C8E8C00", "versionEndExcluding": "3.5.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:discourse:discourse:2025.11.0:*:*:*:stable:*:*:*", "matchCriteriaId": "66A66D8C-2FBA-4B81-841D-71DFEE97F955", "vulnerable": true}, {"criteria": "cpe:2.3:a:discourse:discourse:2025.12.0:*:*:*:stable:*:*:*", "matchCriteriaId": "CCBF47A8-0D3F-4174-8084-CD3517BF272A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"lang": "es", "value": "Discourse es una plataforma de discusi\u00f3n de c\u00f3digo abierto. Antes de las versiones 3.5.3, 2025.11.1 y 2025.12.0, un atacante que conoce parte de un nombre de usuario puede encontrar al usuario y su nombre completo a trav\u00e9s de la interfaz de usuario (UI) o la API, incluso cuando 'enable_names' est\u00e1 deshabilitado. Las versiones 3.5.3, 2025.11.1 y 2025.12.0 contienen una soluci\u00f3n."}], "id": "CVE-2025-64528", "lastModified": "2026-06-17T09:54:32.527", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-64528", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-30T18:10:27.701529Z", "version": "2.0.3"}}]}, "published": "2025-12-30T16:15:45.930", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-202"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"created": "2026-01-05T10:19:53.217861+00:00", "updated": "2026-01-05T10:19:53.217886+00:00", "vendors": ["discourse", "discourse$PRODUCT$discourse"]}