CVE-2026-47886 Security Details

CVE ID

CVE-2026-47886

CWE

CWE-400

CVE Description

Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack when the power operator (^) is used with a BigDecimal or BigInteger operand and a large exponent value. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

Published

Aug 20, 2026

CVSS Score & Severity

6.9Medium

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

EPSS Score

0.324%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/expression/spel/ast/OperatorPower.getValueInternal(Lorg/springframework/expression/spel/ExpressionState;)Lorg/springframework/expression/TypedValue;

JVM

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT