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CVE-2026-82466— Rodauth before 2.46.0 Authentication Bypass via webauthn_login

Quick assessment

Affected
jeremyevans rodauth
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Rodauth 2.46.0 之前的版本存在一个认证绕过漏洞，位于 路由中，该漏洞允许已登录用户以任意其他账户的身份进行认证。攻击者可利用不正确的账户解析逻辑——该逻辑在凭证绑定验证失败时会回退使用当前会话中的账户标识符——从而完成对任意用户的认证。

CVSS 8.7 · High

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
jeremyevans rodauth < 2.46.0 affected
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I. Basic Information for CVE-2026-82466

Vulnerability Information
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Vulnerability Title
Rodauth before 2.46.0 Authentication Bypass via webauthn_login
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
jeremyevans rodauth 0 ~ 2.46.0 -

II. Public POCs for CVE-2026-82466

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III. Intelligence Information for CVE-2026-82466

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Patches & Fixes for CVE-2026-82466 (1)

Vendor Advisories for CVE-2026-82466 (2)

Same Patch Batch · jeremyevans · 2026-08-29 · 5 CVEs total

CVE-2026-82469 5.4 MEDIUM Rodauth before 2.47.0 Authentication Bypass via jwt_refresh
CVE-2026-82470 5.4 MEDIUM Rodauth before 2.47.0 TOTP Code Reuse via Drift Window
CVE-2026-82467 4.7 MEDIUM Rodauth before 2.47.0 Open Redirect via Return-to Path
CVE-2026-82468 4.7 MEDIUM Rodauth before 2.47.0 CSRF Protection Bypass via Content-Type

IV. Related Vulnerabilities

Same product: rodauth
Same vendor: jeremyevans
Same weakness: CWE-287

V. Comments for CVE-2026-82466

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