CVE-2026-79778

MEDIUM 5.3

rclone before v1.75.0 Denial of Service via TUS nil-response panic

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

rclone before v1.75.0 contains a denial of service vulnerability in the WebDAV TUS creation handler that dereferences a nil response before checking for transport errors. A malicious or compromised configured endpoint can reset connections during TUS uploads to trigger a panic that terminates unrecovered goroutines and halts unrelated work in long-lived processes.

CWE	CWE-248
Vendor	rclone
Product	rclone
Published	Aug 25, 2026
Last Updated	Aug 25, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

rclone / rclone

0 < 1.75.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/rclone/rclone/security/advisories/GHSA-3x6r-wxxg-53vv vulncheck.com: https://www.vulncheck.com/advisories/rclone-before-denial-of-service-via-tus-nil-response-panic

Credits

🔍 cyberlanc3r ncw