CVE-2026-47886Spring Framework Denial of Service via Unbounded Exponentiation in SpEL Expressions
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No exploitation reported and no EPSS estimate yet.
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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
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-400
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- vmware
- NVD analysis
- Analyzed
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Spring Spring Framework spring:framework (from the name) | from 7.0.0 through 7.0.8; from 6.2.0 through 6.2.19; from 6.1.0 through 6.1.28; from 6.0.0 through 6.0.30; from 5.3.0 through 5.3.49; through 5.2.25.RELEASE | CNA record |
vmware spring_framework vmware:spring_framework | before 5.2.26; from 5.3.0 before 5.3.50; from 6.0.0 before 6.0.31; from 6.1.0 before 6.1.29; from 6.2.0 before 6.2.20; from 7.0.0 before 7.0.8.1 | NVD |
References
- https://spring.io/security/cve-2026-47886vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.