Spring Framework Algorithmic Denial of Service via SpEL Expressions
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-41850US | — | — | ||
Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted ex… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/spring-projects/spring-frameworkPACKAGE
- https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19WEB
- https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-41850ADVISORY
- https://spring.io/security/cve-2026-41850WEB
scry
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