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CVE-2026-116193

6.9 medium Analyzed
NVD · CVE.org

Rclone from 1.64.0 before 1.75.2 contains an authentication bypass vulnerability in serve webdav that lets unauthenticated attackers skip authentication by sending OPTIONS requests. Attackers can probe arbitrary paths and compare Allow header values to determine whether files or collections exist, enabling namespace enumeration.

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 7

  1. Cpes+1 CPE criteria (now 1)NVD modified 2026-10-27 14:10
  2. StatusAwaiting Analysis → AnalyzedNVD modified 2026-10-27 14:10
  3. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 14:08
  4. StatusReceived → PublishedNVD modified 2026-10-25 13:20
  5. StatusPublished → ReceivedNVD modified 2026-10-25 14:16
  6. CVSS6.9 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N) → 6.9 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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)NVD modified 2026-10-25 14:16
  7. First seenCVSS 6.9 · rcloneNVD modified 2026-10-25 13:20

Affected (CPE criteria) 1

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

References 2