WebAuthn User Verification Bypass via Session Serialization
Priority LOW 34CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00355 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| VMware | Spring Security | 7.1.0; 7.0.0 – 7.0.6; 6.5.0 – 6.5.11; 6.4.0 – 6.4.18 | — | No fix listed | CNA |
- Spring Security VendorVMware Affected 7.1.0; 7.0.0 – 7.0.6; 6.5.0 – 6.5.11; 6.4.0 – 6.4.18 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:* | 6.4.0 to before 6.4.19; 6.5.0 to before 6.5.12; 7.0.0 to before 7.0.6.1; 7.1.0 to before 7.1.0.1 | Vulnerable | VMware |
- cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:* Versions 6.4.0 to before 6.4.19; 6.5.0 to before 6.5.12; 7.0.0 to before 7.0.6.1; 7.1.0 to before 7.1.0.1 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-47841
- 2026-10-03 Alias added: GHSA-326h-rh66-6gp9
References
More VMware Spring Security vulnerabilities
- TI-2023-16900 Improper access control in Spring Security CVSS 3.1CRITICAL 9.8
- TI-2022-13611 Authorization bypass in Spring by VMware CVSS 3.1CRITICAL 9.8
- TI-2022-07154 Incorrect authorization in Spring Security CVSS 3.1CRITICAL 9.8
- TI-2026-42404 Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN on all network interfaces CVSS 3.1CRITICAL 9.4
- TI-2026-18257 Under Some Conditions Spring Security HTTP Headers Are not Written CVSS 3.1CRITICAL 9.1
- TI-2014-02853 Improper authentication in Pivotal Spring Security CVSS 3.0CRITICAL 9.8
Sources
- CVE-2026-47841 · CVE Program
- CVE-2026-47841 · NVD
- FIRST EPSS
- GHSA-326h-rh66-6gp9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences