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CVE-2026-116187

6.1 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 8

  1. Cpes+1 CPE criteria (now 1)NVD modified 2026-10-28 15:39
  2. StatusPublished → AnalyzedNVD modified 2026-10-28 15:39
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 16:42
  4. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 14:08
  5. StatusReceived → PublishedNVD modified 2026-10-25 13:20
  6. StatusPublished → ReceivedNVD modified 2026-10-25 14:16
  7. CVSS6.1 (v4.0, 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) → 6.1 (v4.0, 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/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)NVD modified 2026-10-25 14:16
  8. First seenCVSS 6.1 · rcloneNVD modified 2026-10-25 13:20

Affected (CPE criteria) 1

  • cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*

References 2