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Learn moreSpring Framework sameSite Attribute Dropped in JettyCoreServerHttpResponse
Description
A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute.
Affected Spring Products and Versions
Spring Framework:
- 7.0.0 - 7.0.8
- 6.2.0 - 6.2.19
Mitigation
Users of affected versions should upgrade to the corresponding fixed version.
| Fix version | Availability |
|---|---|
| 7.0.9 | OSS |
| 7.0.8.1 | Enterprise Support Only |
| 6.2.20 | Enterprise Support Only |
No further mitigation steps are necessary.
History
- 2026-08-20: 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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