CVE-2026-116194 (CVSS 6.8)

Description

Rclone from 1.52.0 before 1.75.2 contains a cross-site request forgery vulnerability in the pCloud backend's localhost OAuth callback, which disables the state check and trusts the hostname parameter. Malicious web pages can send a stateless request to port 53682 during authorization, planting attacker tokens and API hosts so later transfers reach the attacker.

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CVSS v3.1 Score

6.8

MEDIUM

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

Weakness Type (CWE)

CWE-346 CWE-346

References

Other References

https://github.com/rclone/rclone/security/advisories/GHSA-hvpr-p4pv-4f46 https://www.vulncheck.com/advisories/rclone-1.52.0-before-1.75.2-csrf-via-pcloud-oauth-callback

Frequently Asked Questions

What is CVE-2026-116194? +

Rclone from 1.52.0 before 1.75.2 contains a cross-site request forgery vulnerability in the pCloud backend's localhost OAuth callback, which disables the state check and trusts the hostname parameter. Malicious web pages can send a stateless request to port 53682 during authorization, planting attacker tokens and API hosts so later transfers reach the attacker. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2026-116194? +

CVE-2026-116194 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-116194? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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