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CVE-2026-41850

Spring Framework Algorithmic Denial of Service via SpEL Expressions PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Spring / Spring Frameworkaffected 7.0.0 before 7.0.7.1; affected 6.2.0 before 6.2.18.1; affected 6.1.0 before 6.1.28; affected 5.3.0 before 5.3.49

CWE

CWE-407

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.