CVE-2026-47841
WebAuthn User Verification Bypass via Session Serialization
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WebAuthn User Verification Bypass via Session Serialization
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
- Record
CVE-2026-47841- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
EUVDEUVD-2026-66639
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
- Record
EUVD-2026-66639- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-326h-rh66-6gp9
An application using Spring Security's WebAuthn support may be vulnerable to user verification...
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
- Record
GHSA-326h-rh66-6gp9- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2026-47841- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
WebAuthn User Verification Bypass via Session Serialization
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
- Record
CVE-2026-47841- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVCLSA-2026-1792063694 No score
TuxCare security update for org.springframework.security (4 CVEs)
TuxCare rebuilt 4 org.springframework.security packages to address 4 CVEs. Fixed in 6.4.3-tuxcare.10.
- Record
CLSA-2026-1792063694- Updated
- 2026-11-02
OSVCLSA-2026-1792068377 No score
TuxCare security update for org.springframework.security (5 CVEs)
TuxCare rebuilt 4 org.springframework.security packages to address 5 CVEs. Fixed in 6.4.13-tuxcare.6.
- Record
CLSA-2026-1792068377- Updated
- 2026-11-02
OSVCLSA-2026-1792072377 No score
TuxCare security update for org.springframework.security (4 CVEs)
TuxCare rebuilt 4 org.springframework.security packages to address 4 CVEs. Fixed in 6.5.11-tuxcare.3.
- Record
CLSA-2026-1792072377- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.springframework.security:spring-security-coreTuxCare:Maven From an advisory covering 4 CVEs |
6.4.3 up to 6.4.3-tuxcare.10, plus listed versions 6.4.3-tuxcare.16.4.3-tuxcare.26.4.3-tuxcare.36.4.3-tuxcare.46.4.3-tuxcare.5 Show 4 moreShow less6.4.3-tuxcare.66.4.3-tuxcare.76.4.3-tuxcare.86.4.3-tuxcare.9 |
6.4.3-tuxcare.10 |
org.springframework.security:spring-security-cryptoTuxCare:Maven From an advisory covering 4 CVEs |
6.4.3 up to 6.4.3-tuxcare.10, plus listed versions 6.4.3-tuxcare.16.4.3-tuxcare.26.4.3-tuxcare.36.4.3-tuxcare.46.4.3-tuxcare.5 Show 4 moreShow less6.4.3-tuxcare.66.4.3-tuxcare.76.4.3-tuxcare.86.4.3-tuxcare.9 |
6.4.3-tuxcare.10 |
org.springframework.security:spring-security-ldapTuxCare:Maven From an advisory covering 4 CVEs |
6.4.3 up to 6.4.3-tuxcare.10, plus listed versions 6.4.3-tuxcare.16.4.3-tuxcare.26.4.3-tuxcare.36.4.3-tuxcare.46.4.3-tuxcare.5 Show 4 moreShow less6.4.3-tuxcare.66.4.3-tuxcare.76.4.3-tuxcare.86.4.3-tuxcare.9 |
6.4.3-tuxcare.10 |
org.springframework.security:spring-security-webTuxCare:Maven From an advisory covering 4 CVEs |
6.4.3 up to 6.4.3-tuxcare.10, plus listed versions 6.4.3-tuxcare.16.4.3-tuxcare.26.4.3-tuxcare.36.4.3-tuxcare.46.4.3-tuxcare.5 Show 4 moreShow less6.4.3-tuxcare.66.4.3-tuxcare.76.4.3-tuxcare.86.4.3-tuxcare.9 |
6.4.3-tuxcare.10 |
org.springframework.security:spring-security-coreTuxCare:Maven From an advisory covering 5 CVEs |
6.4.13 up to 6.4.13-tuxcare.6, plus listed versions 6.4.13-tuxcare.16.4.13-tuxcare.26.4.13-tuxcare.36.4.13-tuxcare.46.4.13-tuxcare.5 |
6.4.13-tuxcare.6 |
org.springframework.security:spring-security-cryptoTuxCare:Maven From an advisory covering 5 CVEs |
6.4.13 up to 6.4.13-tuxcare.6, plus listed versions 6.4.13-tuxcare.16.4.13-tuxcare.26.4.13-tuxcare.36.4.13-tuxcare.46.4.13-tuxcare.5 |
6.4.13-tuxcare.6 |
org.springframework.security:spring-security-saml2-service-providerTuxCare:Maven From an advisory covering 5 CVEs |
6.4.13 up to 6.4.13-tuxcare.6, plus listed versions 6.4.13-tuxcare.16.4.13-tuxcare.26.4.13-tuxcare.36.4.13-tuxcare.46.4.13-tuxcare.5 |
6.4.13-tuxcare.6 |
org.springframework.security:spring-security-webTuxCare:Maven From an advisory covering 5 CVEs |
6.4.13 up to 6.4.13-tuxcare.6, plus listed versions 6.4.13-tuxcare.16.4.13-tuxcare.26.4.13-tuxcare.36.4.13-tuxcare.46.4.13-tuxcare.5 |
6.4.13-tuxcare.6 |
org.springframework.security:spring-security-coreTuxCare:Maven From an advisory covering 4 CVEs |
6.5.11 up to 6.5.11-tuxcare.3, plus listed versions 6.5.11-tuxcare.16.5.11-tuxcare.2 |
6.5.11-tuxcare.3 |
org.springframework.security:spring-security-cryptoTuxCare:Maven From an advisory covering 4 CVEs |
6.5.11 up to 6.5.11-tuxcare.3, plus listed versions 6.5.11-tuxcare.16.5.11-tuxcare.2 |
6.5.11-tuxcare.3 |
org.springframework.security:spring-security-oauth2-joseTuxCare:Maven From an advisory covering 4 CVEs |
6.5.11 up to 6.5.11-tuxcare.3, plus listed versions 6.5.11-tuxcare.16.5.11-tuxcare.2 |
6.5.11-tuxcare.3 |
org.springframework.security:spring-security-webTuxCare:Maven From an advisory covering 4 CVEs |
6.5.11 up to 6.5.11-tuxcare.3, plus listed versions 6.5.11-tuxcare.16.5.11-tuxcare.2 |
6.5.11-tuxcare.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, published, references | EUVD, OSV | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-47841 is a high vulnerability (CVSS 7.4) in Spring Security, published August 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.