CLEANSTART-2026-PE22489 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...

Security vulnerability affects the apache-nifi-registry package. 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...