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7.5 High

CVE-2026-41850 Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an…

Description

Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted expression, an attacker can trigger excessive resource consumption during evaluation, leading to application degradation or unavailability. 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.

Affected products and versions

Product Affected versions Fixed in
Spring Framework 7.0 7.0.0 → < 7.0.7.1 7.0.7.1
Spring Framework 6.2 6.2.0 → < 6.2.18.1 6.2.18.1
Spring Framework 6.1 6.1.0 → < 6.1.28 6.1.28
Spring Framework 5.3 5.3.0 → < 5.3.49 5.3.49

References

Timeline

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