CVE-2026-79778

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.

Scoring

Severity
MEDIUM
CVSS base score
6
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS probability
0.23%
CWE
CWE-248
Published
2026-08-25
Last modified
2026-08-25

Affected products

Weakness type

Related vulnerabilities

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