Resource exhaustion in Spring Framework
CVE-2026-47886
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
Vulnerability class: DoS (Denial of Service)
EPSS: 0.002 (4.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-47886?
- CVE-2026-47886 is a high-severity vulnerability in Spring Framework, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-08-27.
- How severe is CVE-2026-47886?
- High severity. CVSS v3 base score is 7.5 out of 10.