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CVE-2026-41851

Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation o…

Impact

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.

Affected packages

EcosystemPackageAffectedFixed in
mavenorg.springframework:spring-expression>= 7.0.0, <= 7.0.77.0.8

Affected products

VendorProductAffected versions
VmwareSpring Framework
from 5.3.0 before 5.3.49
from 6.1.0 before 6.1.28
from 6.2.0 before 6.2.18.1
from 7.0.0 before 7.0.7.1

Weakness classification

CWE-770

References