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TI-2026-42602 Aliases CVE-2026-59733GHSA-fqj9-69pf-6pjg

Path traversal in rclone

Priority HIGH 73CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-639.

Summary

Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.74.4, rclone serve restic --private-repos enforces authorization using the routed user path segment while building the backend object key from the raw uncleaned URL path, allowing an authenticated user to include .. in a request such as //..//config and read, overwrite, or delete another user's private repository on backends that clean path components. This issue is fixed in version 1.74.4.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00552 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed rclone (rclone): 1.74.4github.com/rclone/rclone (Go): 1.74.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
rclonerclonebefore 1.74.41.74.4Patch availableCNA
—github.com/rclone/rclone (Go)before 1.74.41.74.4Patch availableGHSA-fqj9-69pf-6pjg
  • rclone Vendorrclone Affected before 1.74.4 Fixed in 1.74.4 Patch available CNA
  • github.com/rclone/rclone (Go) Vendor— Affected before 1.74.4 Fixed in 1.74.4 Patch available GHSA-fqj9-69pf-6pjg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*before 1.74.4Vulnerablerclone
  • cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:* Versions before 1.74.4 Vulnerable ·rclone

Remediation

  • Fix · CNA rclone (rclone) Fixed in 1.74.4
  • Fix · GHSA-fqj9-69pf-6pjg github.com/rclone/rclone (Go) Fixed in 1.74.4 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59733
  2. 2026-10-03 Alias added: GHSA-fqj9-69pf-6pjg

References

  • TI-2026-60044 rclone serve s3: --auth-proxy without --auth-key authenticates nobody - full SigV4 signature bypass CVSS 3.1CRITICAL 9.8
  • TI-2026-29802 RClone: Unauthenticated operations/fsinfo allows attacker-controlled backend instantiation and local command execution CVSS 4.0CRITICAL 9.2
  • TI-2026-29799 Rclone: Unauthenticated options/set allows runtime auth bypass, leading to sensitive operations and command execution CVSS 4.0CRITICAL 9.2
  • TI-2026-39407 rclone: Unvalidated symlink target in local `--links` — arbitrary file write from an untrusted remote CVSS 3.1HIGH 8.8
  • TI-2026-80211 Authentication bypass in rclone serve webdav via OPTIONS requests CVSS 4.0MEDIUM 6.9
  • TI-2026-80206 Integer overflow in rclone serve s3 lets attackers exhaust memory CVSS 4.0MEDIUM 6.9
See all 23 →

Sources