PT-2026-81370
CVE-2026-79781
·
Published
2026-08-05
·
Updated
2026-10-01
Description by
CVSS 4.0
6.9
MediumMetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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
Name of the Vulnerable Software and Affected Versions
rclone versions prior to 1.74.4
Description
The
serve s3 function contains a path traversal flaw. This allows attackers to read and overwrite root-level files by using dot-dot segments in S3 object keys. By sending requests with object keys such as ../root-secret.txt, an attacker can escape the bucket namespace and access files within the serve root directory.Recommendations
Update rclone to version 1.74.4 or later.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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