Cross-site request forgery in OpenClaw - CVE-2026-28477
Published: May 4, 2026
Vulnerability identifier: #VU129430
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28477
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote attacker to substitute credentials for another account.
The vulnerability exists due to insufficient OAuth state validation in the manual Chutes OAuth login flow when processing user-supplied OAuth callback data. A remote attacker can provide crafted callback input to substitute credentials for another account.
User interaction is required to paste attacker-provided OAuth callback data during the manual login prompt. The automatic local callback flow is not affected.
How to mitigate CVE-2026-28477
Install security update from vendor's website.