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Desde las versiones 2026.1.0-latest hasta antes de la 2026.1.3, 2026.2.0-latest hasta antes de la 2026.2.2, y 2026.3.0-latest hasta antes de la 2026.3.0, los usuarios no-staff podían acceder a información de recibos de lectura para publicaciones solo para el personal que no debían ver. No se expuso contenido de las publicaciones, solo metadatos sobre quién leyó la publicación y cuándo. Este problema ha sido parcheado en las versiones 2026.1.3, 2026.2.2 y 2026.3.0."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"discourse","product":"discourse","versions":[{"version":">= 2026.1.0-latest, < 2026.1.3","status":"affected"},{"version":">= 2026.2.0-latest, < 2026.2.2","status":"affected"},{"version":">= 2026.3.0-latest, < 2026.3.0","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/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","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-01T13:48:15.303289Z","id":"CVE-2026-32620","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-200"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*","versionStartIncluding":"2026.1.0","versionEndExcluding":"2026.1.3","matchCriteriaId":"F64DA8FA-BC32-4EB9-B508-6425684D3245"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*","versionStartIncluding":"2026.2.0","versionEndExcluding":"2026.2.2","matchCriteriaId":"26546710-17B3-4C72-930F-3BE0AD969127"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*","matchCriteriaId":"E3FE9277-4F6B-4FD0-991F-F0FB8D226E1C"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest.1:*:*:*","matchCriteriaId":"DFA536C2-E9D9-4A03-89C2-C344DE682EA1"}]}]}],"references":[{"url":"https://github.com/discourse/discourse/commit/bf8dbf6155ae483245d42a0164181bc226af674d","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-xgg2-vwr6-2c65","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}}]}