CVE Watchtower

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CVE-2026-90579NVD

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.
Severity Level
HIGH (7.3)
Published Date
13/09/2026
Last Modified
13/09/2026
Exploitation Status
????
EPSS Score
0.39% (percentile 33.1%)

CVSS Base Metrics

CVSS v3 (3.1)
HIGH 7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS v4 (4.0)
MEDIUM 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

Weaknesses (CWE)

CWE-306 - Missing AuthenticationCWE-287 - Improper Authentication

Affected & Patched Versions

ProductAffected VersionsPatched Version
cheshire-cat-ai Cheshire Cat AI1.9.0, 1.9.1, 1.9.2N/A
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💬Webhooks — Slack & Teams integration.
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