CVE-2026-82466

Rodauth before 2.46.0 Authentication Bypass via webauthn_login

Published Aug 29, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jeremyevans
Jeremyevans rodauth
Vendors & Products Jeremyevans
Jeremyevans rodauth
Type Values Removed Values Added
Description 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.
Title Rodauth before 2.46.0 Authentication Bypass via webauthn_login
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 31, 2026, 6:52 PM
Reserved
Aug 29, 2026, 2:11 PM
Status
Deferred
Published
Aug 29, 2026, 5:17 PM
Modified
Sep 11, 2026, 6:26 PM