Hex/ash_authentication CVE-2026-49757: critical 9.2, EPSS 0.61%
OAuth2/OIDC account takeover in AshAuthentication via email-based user matching
Action: Upgrade ash_authentication to 4.14.0 (4.x) or 5.0.0-rc.10 (5.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.1.0 | 4.14.0 | - |
| 5.0.0-rc.0 | 5.0.0-rc.10 | - |
Fixed versions
| 4.14.0 | 5.0.0-rc.10 |
Sources
- osv: EEF-CVE-2026-49757
- nvd: CVE-2026-49757
- https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-777c-2fxx-qr28
- https://cna.erlef.org/cves/CVE-2026-49757.html
- https://github.com/team-alembic/ash_authentication/commit/728b8d28c1b5f465fa1116ef044a815300fc733d
- https://github.com/team-alembic/ash_authentication/commit/64530644f9b37ebb76ca14aeb83a77597a0034b7
- https://hex.pm/packages/ash_authentication
CVE-2026-49757 · published · modified · JSON