CVE-2026-41849: Spring Framework Denial of Service via Integer Overflow in SpEL Expressions

Published Jun 9, 2026
·
Updated

An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS). Affected versions: Spring Framework 5.3.0 through 5.3.48.

Affected Software

2 affected components
VMware Spring Framework>=5.3.0<=5.3.48
VMware Spring Framework>=5.3.0<5.3.49

Event History

Jun 9, 2026
CVE Published
via MITRE·03:51 AM
Data Sourced
via MITRE·03:51 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-41849?

The severity of CVE-2026-41849 is rated high with a score of 7.5.

2

How do I fix CVE-2026-41849?

To fix CVE-2026-41849, upgrade to the latest version of the VMware Spring Framework that addresses the vulnerability.

3

What type of vulnerability is CVE-2026-41849?

CVE-2026-41849 is a denial of service vulnerability caused by an integer overflow in SpEL expressions.

4

What can an attacker achieve by exploiting CVE-2026-41849?

By exploiting CVE-2026-41849, an attacker can cause excessive resource consumption, leading to a denial of service.

5

Which software is affected by CVE-2026-41849?

CVE-2026-41849 affects the VMware Spring Framework.

Contact

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