DEBIAN-CVE-2026-79781

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Source

https://security-tracker.debian.org/tracker/CVE-2026-79781

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-79781.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-79781

Upstream

CVE-2026-79781

Published

2026-08-25T16:17:30Z

Modified

2026-09-11T08:47:43Z

Severity

6.9 (Medium) CVSS_V4 - 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/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 CVSS Calculator

Summary

[none]

Details

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.

References

https://security-tracker.debian.org/tracker/CVE-2026-79781

Affected packages

Debian:12 / rclone

Package

Name: rclone
Purl: pkg:deb/debian/rclone?arch=source&distro=bookworm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.60.1+dfsg-2

1.60.1+dfsg-3

1.60.1+dfsg-4

1.65.0+dfsg-1

1.65.0+dfsg-2

1.69.3+dfsg-1

1.69.3+dfsg-2

1.69.3+dfsg-3

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-79781.json"

Debian:13 / rclone