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VULNERABILITIES

CVE-2026-116196 Details

Description

Rclone before v1.75.2 contains a credential exposure vulnerability in the b2 backend that leaks the live account Authorization token and SSE-C keys on HTTP redirects from --b2-download-url hosts. Attackers can observe a same-host HTTPS-to-HTTP downgrade redirect to capture the cleartext B2 token, or receive cross-host redirects disclosing SSE-C customer encryption keys.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/rclone/rclone/security/advisories/GHSA-gpw7-77cq-9f72 [email protected]Vendor Advisory
https://www.vulncheck.com/advisories/rclone-before-1.75.2-b2-credential-leak-on-redirect-via-b2-download-url [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-319Cleartext Transmission of Sensitive Information[email protected]

Affected Products

ProductVersions
rclone rclone
< 1.75.2

CPE

  • cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-116196
NVD Published Date:
Oct 25, 2026
NVD Last Modified:
Nov 4, 2026
Source:
[email protected]
CVE-2026-116196 Details - Not Deferred