CVE-2026-28477
Received Received - Intake
OAuth State Validation Bypass in OpenClaw Enables CSRF Attack

Publication date: 2026-03-05

Last updated on: 2026-03-17

Assigner: VulnCheck

Description
OpenClaw versions prior to 2026.2.14 contain an oauth state validation bypass vulnerability in the manual Chutes login flow that allows attackers to bypass CSRF protection. An attacker can convince a user to paste attacker-controlled OAuth callback data, enabling credential substitution and token persistence for unauthorized accounts.
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Meta Information
Published
2026-03-05
Last Modified
2026-03-17
Generated
2026-06-16
AI Q&A
2026-03-06
EPSS Evaluated
2026-06-14
NVD
CVE-2026-28477
EUVD
EUVD-2026-9923
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
openclaw openclaw to 2026.2.14 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-352 The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
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Executive Summary

This vulnerability exists in OpenClaw versions prior to 2026.2.14 and involves an OAuth state validation bypass in the manual Chutes login flow.

It allows attackers to bypass Cross-Site Request Forgery (CSRF) protection by convincing a user to paste attacker-controlled OAuth callback data.

This enables the attacker to substitute credentials and maintain token persistence for unauthorized accounts.

Impact Analysis

The vulnerability can lead to unauthorized access by allowing attackers to bypass CSRF protections and substitute credentials.

This means attackers can persist tokens for unauthorized accounts, potentially gaining access to user accounts or sensitive information.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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