---
id: CVE-2026-47886
title: >-
  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…
summary: >-
  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…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
  - CWE-770
vendor: vmware
product: spring_framework
affected:
  - spring_framework < 5.2.26
  - 'spring_framework >= 5.3.0, < 5.3.50'
  - 'spring_framework >= 6.0.0, < 6.0.31'
  - 'spring_framework >= 6.1.0, < 6.1.29'
  - 'spring_framework >= 6.2.0, < 6.2.20'
  - 'spring_framework >= 7.0.0, < 7.0.8.1'
patched:
  - spring_framework 7.0.8.1
published: '2026-08-27'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T14:25:17.517'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-47886'
references:
  - url: 'https://spring.io/security/cve-2026-47886'
    label: security@vmware.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-47886.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-47886'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2524864'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-47886'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-47886'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-08-27T14:59:39.970725Z'
ingestedAt: '2026-09-13T19:08:52.455Z'
epss: 0.0046
epssPercentile: 0.37263
---

## Overview

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

- `spring_framework < 5.2.26`
- `spring_framework >= 5.3.0, < 5.3.50`
- `spring_framework >= 6.0.0, < 6.0.31`
- `spring_framework >= 6.1.0, < 6.1.29`
- `spring_framework >= 6.2.0, < 6.2.20`
- `spring_framework >= 7.0.0, < 7.0.8.1`

## Remediation

Upgrade past the affected range:

- `spring_framework 7.0.8.1`

## Vendor advisories

- **Red Hat VEX** · Important · affected: OpenShift Developer Tools and Services, Red Hat build of Apache Camel - HawtIO 4, Red Hat OpenShift Dev Spaces · no fix planned: OpenShift Developer Tools and Services, Red Hat build of Apache Camel - HawtIO 4, Red Hat OpenShift Dev Spaces · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-47886.json)