CVE-2026-79781

mediumCVSS 6.5covered by 1 sourcefirst seen 2026-08-25

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.

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Advisory coverage (1)

mediumCVE-2026-79781: rclone serve s3 before 1.74.4 contains a path traversal vulnerability that allows attackers to…nvd · 2026-08-25

External references

NVD record for CVE-2026-79781

CVE.org record

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