CVE-2026-92787
Severity CVSS v4.0:
CRITICAL
Type:
CWE-798
Use of Hard-coded Credentials
Publication date:
16/09/2026
Last modified:
24/09/2026
Description
Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity, allowing attackers to bypass all role-based access control by presenting an unverified token with a hardcoded claim value. Attackers can obtain trusted internal identity and gain unchecked read and write access to all entities, feature views, data sources, and permission policies on the server.
Impact
Base Score 4.0
9.30
Severity 4.0
CRITICAL
Base Score 3.x
9.80
Severity 3.x
CRITICAL
References to Advisories, Solutions, and Tools
- https://github.com/feast-dev/feast
- https://github.com/feast-dev/feast/blob/f296d4b/infra/charts/feast-feature-server/templates/deployment.yaml#L46-L47
- https://github.com/feast-dev/feast/blob/f296d4b/sdk/python/feast/permissions/auth/oidc_token_parser.py#L152-L156
- https://github.com/feast-dev/feast/blob/v0.66.0/sdk/python/feast/permissions/security_manager.py#L248-L264
- https://github.com/feast-dev/feast/issues/6785
- https://www.vulncheck.com/advisories/feast-through-0.66.0-authentication-bypass-via-unverified-token
- https://github.com/feast-dev/feast/issues/6785


