HIGH

CVE-2026-90579

2026-09-13 CVSS v3.1

CVSS

7.3

Description

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.

Weakness (CWE)

CWE-287 Improper Authentication

CWE-306 Missing Authentication

EPSS Score

0.39%

Probability of exploitation in next 30 days

33.1th percentile

References

https://github.com/cheshire-cat-ai/core/issues/1137 https://vuldb.com/cve/CVE-2026-90579 https://vuldb.com/submit/913219 https://vuldb.com/vuln/403164 https://vuldb.com/vuln/403164/cti

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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