What’s Vulnerable › Vulnerabilities

CVE-2026-116190: rclone v1.56.0 before v1.75.2 WebDAV Credential Header Leak on Redirect

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-25 · updated 2026-10-29
• Weakness: CWE-200

Description

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.

Affected products

• rclone: from 1.56.0 before 1.75.2 — fixed in 1.75.2
• rclone: from 1.56.0 before 1.75.2 — fixed in 1.75.2

How to fix

Upgrade to a fixed version: rclone 1.75.2; rclone 1.75.2. Check the vendor advisory for mitigations.

References

• https://github.com/rclone/rclone/security/advisories/GHSA-3rqf-7h69-gg5v
• https://www.vulncheck.com/advisories/rclone-1.56.0-before-1.75.2-webdav-credential-header-leak-on-redirect
• https://github.com/rclone/rclone/security/advisories/GHSA-3rqf-7h69-gg5v

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