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GHSA-wxpp-56q6-5pcg

Spring Framework Denial of Service via Unbounded Cache in SpEL

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-41851

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework:spring-expression >= 7.0.0, < 7.0.8 7.0.8
Maven org.springframework:spring-expression >= 6.2.0, < 6.2.19 6.2.19
Maven org.springframework:spring-expression >= 6.1.0, <= 6.1.21 no fix listed
Maven org.springframework:spring-expression <= 5.3.39 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

References

External links from the advisory. They lead to third-party sites.