CVE-2026-82466

HIGH 8.7

Rodauth before 2.46.0 Authentication Bypass via webauthn_login

CVSS Score

8.7

EPSS Score

0.0%

EPSS Percentile

0th

Rodauth before 2.46.0 contains an authentication bypass vulnerability in the webauthn_login route that allows logged-in users to authenticate as any other account. Attackers can exploit improper account resolution logic that falls back to session account identifiers instead of validating the credential binding to complete authentication as arbitrary users.

CWE	CWE-287
Vendor	jeremyevans
Product	rodauth
Published	Aug 29, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

jeremyevans / rodauth

0 < 2.46.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/jeremyevans/rodauth/commit/35d74a9f07b2005a8ea75fc11a6539c04f3c2840 github.com: https://github.com/jeremyevans/rodauth/security/advisories/GHSA-3pvr-v35r-4r75 github.com: https://github.com/jeremyevans/rodauth vulncheck.com: https://www.vulncheck.com/advisories/rodauth-before-2.46.0-authentication-bypass-via-webauthn-login

Credits

Joshua Rogers (AISLE Research)