---
id: CVE-2026-41851
title: >-
  Applications which accept user-supplied Spring Expression Language (SpEL)
  expressions may be vulnerable to a Denial of Service (DoS) attack if the
  evaluation of a SpEL expression triggers unbounded cache growth.


  Affected versions:

  Sprin…
summary: >-
  Applications which accept user-supplied Spring Expression Language (SpEL)
  expressions may be vulnerable to a Denial of Service (DoS) attack if the
  evaluation of a SpEL expression triggers unbounded cache growth.


  Affected versions:

  Sprin…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-770
vendor: vmware
product: spring_framework
affected:
  - 'spring_framework >= 5.3.0, < 5.3.49'
  - 'spring_framework >= 6.1.0, < 6.1.28'
  - 'spring_framework >= 6.2.0, < 6.2.18.1'
  - 'spring_framework >= 7.0.0, < 7.0.7.1'
patched:
  - spring_framework 7.0.7.1
published: '2026-06-09'
updated: '2026-07-17'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-41851'
references:
  - url: 'https://spring.io/security/cve-2026-41851'
    label: security@vmware.com
tags:
  - nvd
epss: 0.0046
epssPercentile: 0.3734
ingestedAt: '2026-07-17T21:16:23.886Z'
---

## Overview

Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.

Affected versions:
Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

## Affected

- `spring_framework >= 5.3.0, < 5.3.49`
- `spring_framework >= 6.1.0, < 6.1.28`
- `spring_framework >= 6.2.0, < 6.2.18.1`
- `spring_framework >= 7.0.0, < 7.0.7.1`

## Remediation

Upgrade past the affected range:

- `spring_framework 7.0.7.1`