2524864 – (CVE-2026-47886) CVE-2026-47886 Spring Framework: org.springframework/spring-expression: Spring Framework: Denial of Service via unbounded exponentiation in SpEL expressions

Bug 2524864 (CVE-2026-47886) - CVE-2026-47886 Spring Framework: org.springframework/spring-expression: Spring Framework: Denial of Service via unbounded exponentiation in SpEL expressions

Summary: CVE-2026-47886 Spring Framework: org.springframework/spring-expression: Sprin...

Keywords:
Status:	NEW
Alias:	CVE-2026-47886
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	high
Severity:	high
Target Milestone:	---
Assignee:	Product Security
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2026-08-27 06:23 UTC by OSIDB Bzimport
Modified:	2026-09-18 16:46 UTC (History)
CC List:	14 users (show)
Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description OSIDB Bzimport 2026-08-27 06:23:05 UTC

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

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