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
HIGH
Vulnerability intelligence
CVE-2026-47886
CVSS 3.17.5
SeverityHigh
Known exploitedNo
NVD references:
Primary source: NIST National Vulnerability Database