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Learn moreCVE-2026-41003: Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting
Description
An attacker able to influence values in RelyingPartyRegistration may be able to run arbitrary code on HTML forms generated by Spring Security filters.
Affected Spring Products and Versions
Spring Security:
- 5.7.0 - 5.7.23
- 5.8.0 - 5.8.25
- 6.3.0 - 6.3.16
- 6.4.0 - 6.4.16
- 6.5.0 - 6.5.10
- 7.0.0 - 7.0.5
- Older, unsupported versions are also affected.
Mitigation
Users of affected versions should upgrade to the corresponding fixed version.
Spring Security:
| Affected version(s) | Fix version | Availability |
|---|---|---|
| 5.7.x | 5.7.24 | Enterprise Support Only |
| 5.8.x | 5.8.26 | Enterprise Support Only |
| 6.3.x | 6.3.17 | Enterprise Support Only |
| 6.4.x | 6.4.17 | Enterprise Support Only |
| 6.5.x | 6.5.11 | OSS |
| 7.0.x | 7.0.6 | OSS |
References
History
- 2026-06-09: Initial vulnerability report published.
Reporting a vulnerability
To report a security vulnerability for a project within the Spring portfolio, see the Security Policy
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