VULNERABILITY INTELLIGENCE
CVE-2026-79781
CVSS score6.5 MEDIUM
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-08-25
Last modified2026-09-10
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Description
rclone serve s3 before 1.74.4 contains a path traversal vulnerability that allows attackers to read and overwrite root-level files by using dot-dot segments in S3 object keys. Attackers can send requests with object keys like ../root-secret.txt to escape the bucket namespace and access files in the serve root directory.
Weakness classification
- disclosure@vulncheck.com: CWE-22