CVE-2026-47886 — Spring Framework Denial of Service via Unbounded Exponentiation in SpEL Expressions

Description (CNA)

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

Affected (CNA)

Vendor / product	Versions
Spring / Spring Framework	affected 7.0.0 through 7.0.8; affected 6.2.0 through 6.2.19; affected 6.1.0 through 6.1.28; affected 6.0.0 through 6.0.30; affected 5.3.0 through 5.3.49; affected 0 through 5.2.25.RELEASE

CWE

No CWE identifiers supplied.

References

https://spring.io/security/cve-2026-47886

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.