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.
Problem types
CWE-407: Inefficient Algorithmic Complexity
Product status
7.0.0 (custom) before 7.0.8
6.2.0 (custom) before 6.2.19
6.1.0 (custom) before 6.1.28
5.3.0 (custom) before 5.3.49
References
spring.io/security/cve-2026-41850