CVE-2026-73420
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
Auth.js: Email normalizer validates the address before Unicode normalization, allowing a homoglyph @ bypass
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | @auth/core | >=0.1.0,<0.41.3 | 0.41.3 |
| npm | next-auth | >=4.10.3,<4.24.15 | 4.24.15 |
| npm | next-auth | >=5.0.0-beta.1,<5.0.0-beta.32 | 5.0.0-beta.32 |
References
- https://github.com/nextauthjs/next-auth/security/advisories/GHSA-7rqj-j65f-68wh
- https://github.com/nextauthjs/next-auth/commit/19d2feb24359fa8c79418907fc68d9ec8152ca94
- https://github.com/nextauthjs/next-auth/commit/a63eee12a1a20cb35209e44195b097868517b9a0
- https://github.com/nextauthjs/next-auth
- https://github.com/nextauthjs/next-auth/releases/tag/@auth/core@0.41.3
- https://github.com/nextauthjs/next-auth/releases/tag/next-auth@4.24.15
- https://github.com/nextauthjs/next-auth/releases/tag/next-auth@5.0.0-beta.32
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.