CVE-2026-92787 Feast - Authentication Bypass

Feast <= 0.66.0 contains a broken authentication caused by failure to verify JWT token signatures before user identity establishment, letting attackers bypass role-based access control and gain full read/write access, exploit requires presenting an unverified token with a hardcoded claim.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.70% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-798

Vendor fix

Update to the latest version beyond 0.66.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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