CVE-2026-47841

WebAuthn User Verification Bypass via Session Serialization

Published Aug 26, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store.
Spring Security 7.1.0
Spring Security 7.0.0 - 7.0.6
Spring Security 6.5.0 - 6.5.11
Spring Security 6.4.0 - 6.4.18

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Weaknesses CWE-287
CWE-502
Type Values Removed Values Added
First Time appeared Vmware
Vmware spring Security
Weaknesses CWE-863
CPEs cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
Vendors & Products Vmware
Vmware spring Security
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Spring
Spring spring Security
Weaknesses CWE-287
CWE-502
Vendors & Products Spring
Spring spring Security
Type Values Removed Values Added
Description An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18
Title WebAuthn User Verification Bypass via Session Serialization
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
vmware
Published
Updated
Aug 27, 2026, 3:58 AM
Reserved
May 20, 2026, 10:00 AM
Status
Analyzed
Published
Aug 26, 2026, 6:16 PM
Modified
Sep 4, 2026, 7:41 PM