CVE-2026-41850
Spring Framework Algorithmic Denial of Service via SpEL Expressions
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
2th
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.
| CWE | CWE-407 |
| Vendor | spring |
| Product | spring framework |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jun 9, 2026 |
| Last Updated | Jun 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Spring / Spring Framework
7.0.0 < 7.0.8 6.2.0 < 6.2.19 6.1.0 < 6.1.28 5.3.0 < 5.3.49