CVE-2026-86117
High · 8.1CVSS
8.1
EPSS
0.7%
Published
Sep 5, 2026
CISA due date
—
The record
Coolify through 4.3.17 contains an authentication bypass vulnerability in the OAuth callback handler that signs users into existing accounts based solely on email address without verifying provider assertions or binding OAuth identities. Attackers can register a victim's email address on any enabled OAuth provider to obtain authenticated sessions as that user, bypassing password requirements and two-factor authentication.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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