Spring Framework DoS via SpEL Power Operator ^ (BigDecimal) 5.3-5.3.49
CVE-2026-47886 Published on August 27, 2026

Spring Framework Denial of Service via Unbounded Exponentiation in SpEL Expressions
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

NVD

Vulnerability Analysis

CVE-2026-47886 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2026-47886 has been classified to as a Resource Exhaustion vulnerability or weakness.


Products Associated with CVE-2026-47886

Want to know whenever a new CVE is published for VMware Spring Framework? stack.watch will email you.

VMware Spring Framework
 

Affected Versions

Spring Framework: