CVE-2026-90712
MediumCVSS 4.3Summary
A vulnerability was identified in Gitlawb openclaude up to 0.30.0. Impacted is the function waitForCallback of the file src/services/api/xaiOAuthCallback.ts of the component xAI OAuth Callback Handler. The manipulation of the argument Error leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Risk Assessment
Attackers can cause service unavailability, leading to application downtime.
Recommendation
Apply temporary mitigations such as restricting access to the endpoint and monitor the project's response to the issue.
Other vulnerabilities in openclaude
See all- CVE-2026-42074Critical
OpenClaude prior to version 0.5.1 exposes the dangerouslyDisableSandbox parameter in the BashTool input schema, allowing a prompt-injected model to escape the sandbox and achieve full host-level code execution.
- CVE-2026-42073Medium
OpenClaude prior to version 0.5.1 contains a logic flaw in the MCP authentication flow that allows an attacker to completely bypass the state parameter validation and force the temporary local HTTP server to shut down, without knowing the state value at all.
Original NVD description (English source)
A vulnerability was identified in Gitlawb openclaude up to 0.30.0. Impacted is the function waitForCallback of the file src/services/api/xaiOAuthCallback.ts of the component xAI OAuth Callback Handler. The manipulation of the argument Error leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.