{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-53802","sourceIdentifier":"disclosure@vulncheck.com","published":"2026-08-13T15:19:52.850","lastModified":"2026-10-24T16:10:00.153","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"rsync before 3.5.0 contains an arbitrary file read vulnerability that allows attackers to read files accessible to the rsync daemon process by exploiting symlink following in input configuration file handling including --files-from, --password-file, and filter merge files. Attackers can place a symlink at a predictable --files-from or --password-file path, or supply a --files-from path that escapes the daemon module root, to read arbitrary files accessible to the rsync process."},{"lang":"es","value":"rsync anterior a 3.5.0 contiene una vulnerabilidad de lectura arbitraria de archivos que permite a los atacantes leer archivos accesibles al proceso del demonio rsync explotando el seguimiento de enlaces simbólicos en el manejo de archivos de configuración de entrada, incluyendo --files-from, --password-file, y archivos de fusión de filtros. Los atacantes pueden colocar un enlace simbólico en una ruta predecible de --files-from o --password-file, o proporcionar una ruta --files-from que escapa de la raíz del módulo del demonio, para leer archivos arbitrarios accesibles al proceso rsync."}],"affected":[{"source":"disclosure@vulncheck.com","affectedData":[{"vendor":"RsyncProject","product":"rsync","defaultStatus":"unaffected","repo":"https://github.com/RsyncProject/rsync","packageURL":"pkg:github/RsyncProject/rsync","versions":[{"version":"0","lessThanOrEqual":"3.4.4","versionType":"semver","status":"affected"},{"version":"3.5.0","versionType":"semver","status":"unaffected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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":8.4,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","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":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-13T15:23:14.588084Z","id":"CVE-2026-53802","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"disclosure@vulncheck.com","type":"Secondary","description":[{"lang":"en","value":"CWE-61"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:*","versionEndExcluding":"3.5.0","matchCriteriaId":"6985EC7E-B9D3-4BD6-96F9-43F8322282E7"}]}]}],"references":[{"url":"https://github.com/RsyncProject/rsync/releases/tag/v3.5.0","source":"disclosure@vulncheck.com","tags":["Product","Release Notes"]},{"url":"https://github.com/RsyncProject/rsync/security/advisories/GHSA-4mfr-8jrv-49x4","source":"disclosure@vulncheck.com","tags":["Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/rsync-arbitrary-file-read-via-symlink-following","source":"disclosure@vulncheck.com","tags":["Release Notes","Third Party Advisory"]},{"url":"https://github.com/RsyncProject/rsync/security/advisories/GHSA-4mfr-8jrv-49x4","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Vendor Advisory"]}]}}