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Antes de las versiones 8.1.2.1, 8.0.4.1 y 7.2.3.1, el 'DiskService#delete_prefixed' de Active Storage pasa las claves de blob directamente a 'Dir.glob' sin escapar los metacaracteres glob. Si una clave de blob contiene entrada controlada por el atacante o claves generadas a medida con metacaracteres glob, puede ser posible eliminar archivos no deseados del directorio de almacenamiento. Las versiones 8.1.2.1, 8.0.4.1 y 7.2.3.1 contienen un parche."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"rails","product":"activestorage","versions":[{"version":">= 8.1.0.beta1, < 8.1.2.1","status":"affected"},{"version":">= 8.0.0.beta1, < 8.0.4.1","status":"affected"},{"version":"< 7.2.3.1","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:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/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":6.6,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","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:N/UI:N/S:U/C:N/I:H/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-03-24T15:42:33.496549Z","id":"CVE-2026-33202","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-74"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.3.1","matchCriteriaId":"D9DC6CB9-DC6C-4CBB-9806-3936ADBC8F1B"},{"vulnerable":true,"criteria":"cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*","versionStartIncluding":"8.0.0","versionEndExcluding":"8.0.4.1","matchCriteriaId":"FA8791E1-8B96-43F6-A3EC-A7E60D700330"},{"vulnerable":true,"criteria":"cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*","versionStartIncluding":"8.1.0","versionEndExcluding":"8.1.2.1","matchCriteriaId":"978E0135-D14B-41DE-87E4-CF059A23E189"}]}]}],"references":[{"url":"https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/rails/rails/releases/tag/v7.2.3.1","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/rails/rails/releases/tag/v8.0.4.1","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/rails/rails/releases/tag/v8.1.2.1","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}}]}