CVE-2026-116194 Rclone 1.52.0 before 1.75.2 CSRF via pCloud OAuth Callback

What is CVE-2026-116194?

CVE-2026-116194 is a high-severity vulnerability in rclone, published on 25 Oct 2026.

Official 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.

Weakness: CWE-346

Which versions are affected by CVE-2026-116194?

1 open source package ship an affected version, including rclone. It affects 1 product.

Products include Rclone Rclone.

How do I fix CVE-2026-116194?

Upgrade rclone to 1.75.2 or later.

Is CVE-2026-116194 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-116194 exists.

Other vulnerabilities in rclone

• CVE-2026-88018 rclone serve s3: --auth-proxy without --auth-key authenticates nobody - full SigV4 signature bypass Critical 9.8
• CVE-2026-49980 Rclone: Unauthenticated command execution in `rclone rcd --rc-serve` via inline remote instantiation, bypassing CVE-2026-41179 fix Critical 9.8
• CVE-2026-41179 RClone: Unauthenticated operations/fsinfo allows attacker-controlled backend instantiation and local command execution Critical 9.2
• CVE-2026-41176 Rclone: Unauthenticated options/set allows runtime auth bypass, leading to sensitive operations and command execution Critical 9.2
• CVE-2026-59733 rclone `serve restic --private-repos` authorization bypass: `..` in the URL path lets an authenticated user read, overwrite and delete other users' repositories High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as BIT-rclone-2026-116194, DEBIAN-CVE-2026-116194, GHSA-9h2c-c4g3-hfx2, GHSA-hvpr-p4pv-4f46, UBUNTU-CVE-2026-116194.