Vulnerability Intelligence Report
rclone v1.56.0 before v1.75.2 WebDAV Credential Header Leak on Redirect
CVE-2026-116190
rclone from v1.56.0 before v1.75.2 contains an information disclosure vulnerability in the WebDAV backend that forwards operator-configured custom credential headers to different hosts on HTTP 3xx redirects. Attackers who control or influence a cross-host redirect can capture headers such as X-Auth-Token set via --webdav-headers and replay them against the original WebDAV service.
Information Disclosure
No Active Exploit Signals
CVSS Base Score
6.3
MEDIUM
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-200 ↗Exposure of Sensitive Information to an Unauthorized Actor
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| rclone | rclone | 1.56.0 < 1.75.2 (affected), 1.75.2 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Vulnerability Class
Information Disclosure
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-10-25T12:27:12 |
| Published | 2026-10-25T13:20:25 |
| Patch Date | 2026-10-09 |
| Last Updated | 2026-10-25T13:20:25 |
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