CVE-2026-90579
HighCVSS 7.3Exploitation Probability (EPSS)
Low risk33th percentile - higher than 33% of all known CVEs
Summary
A vulnerability has been found in cheshire-cat-ai Cheshire Cat AI up to 1.9.2. This affects the function _authorize_http_key of the file core/cat/factory/custom_auth_handler.py. The manipulation of the argument user_id leads to missing authentication. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Risk Assessment
Missing authentication allows an attacker to gain unauthorized access to protected resources, potentially leading to control takeover or data leakage.
Recommendation
Update Cheshire Cat AI to a version later than 1.9.2 once a fix is available, or apply mitigations until an update is released.
Other vulnerabilities in Cheshire Cat AI
Original NVD description (English source)
A vulnerability has been found in cheshire-cat-ai Cheshire Cat AI up to 1.9.2. This affects the function _authorize_http_key of the file core/cat/factory/custom_auth_handler.py. The manipulation of the argument user_id leads to missing authentication. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS