{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116187", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-25T12:26:13.488Z", "datePublished": "2026-10-25T13:20:23.849Z", "dateUpdated": "2026-10-25T13:20:23.849Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-25T13:20:23.849Z"}, "datePublic": "2026-10-09T00:00:00.000Z", "title": "Rclone v1.68.0 before v1.75.2 Authorization Bypass in serve s3 Multipart Uploads", "descriptions": [{"lang": "en", "value": "Rclone from v1.68.0 before v1.75.2 contains an authorization bypass vulnerability in serve s3 --auth-proxy that allows authenticated tenants to manipulate other tenants' multipart uploads by referencing their upload IDs. Attackers who learn a victim's bucket, object, and upload ID can inject parts, complete, or abort in-flight uploads and view upload and object metadata across tenants."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "rclone", "product": "rclone", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/rclone/rclone", "versions": [{"version": "1.68.0", "status": "affected", "versionType": "semver", "lessThan": "1.75.2"}, {"version": "1.75.2", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.68.0", "versionEndExcluding": "1.75.2"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"url": "https://github.com/rclone/rclone/security/advisories/GHSA-35g6-9fjv-rmx5", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-35g6-9fjv-rmx5)"}, {"name": "VulnCheck Advisory: Rclone v1.68.0 before v1.75.2 Authorization Bypass in serve s3 Multipart Uploads", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/rclone-1.68.0-before-1.75.2-authorization-bypass-in-serve-s3-multipart-uploads"}], "credits": [{"lang": "en", "value": "torjan0", "type": "reporter"}, {"lang": "en", "value": "ncw", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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