cve.bz

CVE-2026-79781

6.9 mediumEPSS 0.3%

Medium (6.9). EPSS 0.3% chance of exploitation in the next 30 days. Fixed in github.com/rclone/rclone 1.74.4.

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.

Severity

CVSS 4.0

6.9 medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE
CWE-22
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-8v25-v8p6-qf7vGogithub.com/rclone/rclone<1.74.41.74.4
GO-2026-6189Gogithub.com/rclone/rclone<1.74.41.74.4

References

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