CVE-2026-41851
MEDIUMSpring Framework Denial of Service via Unbounded Cache in SpEL
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Scores
CVSS v3
5.3
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:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
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