Allocation of Resources Without Limits or Throttling in Spring Framework - CVE-2026-41850
Published: August 31, 2026
Vulnerability identifier: #VU146413
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41850
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the Spring Expression Language (SpEL) expression evaluator when processing user-supplied SpEL expressions. A remote attacker can send a specially crafted expression to cause a denial of service.
The issue affects applications that accept and evaluate untrusted or user-controlled SpEL expressions.
Affected software
Spring Framework
Crowd Data Center
Bamboo Data Center
Crowd Data Center
Bamboo Data Center
How to mitigate CVE-2026-41850
Install security update from vendor's website.
Spring Framework - addressed in versions 5.3.49, 6.1.28, 6.2.18.1, 6.2.19, 7.0.7.1, 7.0.8
Crowd Data Center - update to 7.2.2
Bamboo Data Center - update to 12.1.10
Crowd Data Center - update to 7.2.2
Bamboo Data Center - update to 12.1.10