CVE-2026-90579
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
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. The project was informed of the problem early through an issue report but has not responded yet.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| cheshire-cat-ai | Cheshire Cat AI | 1.9.0 | affected |
| cheshire-cat-ai | Cheshire Cat AI | 1.9.1 | affected |
| cheshire-cat-ai | Cheshire Cat AI | 1.9.2 | affected |
Weaknesses
- CWE-306: Missing Authentication
- CWE-287: Improper Authentication
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://vuldb.com/vuln/403164
- https://vuldb.com/vuln/403164/cti
- https://vuldb.com/cve/CVE-2026-90579
- https://vuldb.com/submit/913219
- https://github.com/cheshire-cat-ai/core/issues/1137
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