CVE-2026-41850

HIGH

Spring Framework Algorithmic Denial of Service via SpEL Expressions

Title source: cna
STIX 2.1

Description

Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted expression, an attacker can trigger excessive resource consumption during evaluation, leading to application degradation or unavailability. 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.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0036
EPSS Percentile 28.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-407
Status published
Products (11)
org.springframework/spring-expression 0 - 5.3.39Maven
org.springframework/spring-expression 6.1.0 - 6.1.21Maven
org.springframework/spring-expression 6.2.0 - 6.2.19Maven
org.springframework/spring-expression 7.0.0 - 7.0.8Maven
Spring/Spring Framework 5.3.0 - 5.3.49
Spring/Spring Framework 6.1.0 - 6.1.28
Spring/Spring Framework 6.2.0 - 6.2.18.1
Spring/Spring Framework 6.2.0 - 6.2.19
Spring/Spring Framework 7.0.0 - 7.0.7.1
Spring/Spring Framework 7.0.0 - 7.0.8
... and 1 more
Published Jun 09, 2026
Tracked Since Jun 09, 2026