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Learn moreCVE-2026-22718: Under Some Conditions Spring Security HTTP Headers Are not Written
Description
When applications specify HTTP response headers for servlet applications using Spring Security, there is the possibility that the HTTP Headers will not be written. This can open up applications to various attacks including exposing sensitive data via caching mechanisms.
Affected Spring Products and Versions
Spring Security:
- 5.7.0 - 5.7.21
- 5.8.0 - 5.8.23
- 6.3.0 - 6.3.14
- 6.4.0 - 6.4.14
- 6.5.0 - 6.5.8
- 7.0.0 - 7.0.3
- Older, unsupported versions may also be affected
Mitigation
Users of affected versions should upgrade to the corresponding fixed version.
| Affected version(s) | Fix version | Availability |
|---|---|---|
| 5.7.21 | 5.7.22 | Enterprise Support Only |
| 5.8.23 | 5.8.24 | Enterprise Support Only |
| 6.3.14 | 6.3.15 | Enterprise Support Only |
| 6.4.14 | 6.4.15 | Enterprise Support Only |
| 6.5.8 | 6.5.9 | OSS |
| 7.0.3 | 7.0.4 | OSS |
Credit
The issue was identified and responsibly reported by Wyfrel.
References
Reporting a vulnerability
To report a security vulnerability for a project within the Spring portfolio, see the Security Policy
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