CVE-2026-47890: CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection') in Spring Spring Framework
Description
CVE-2026-47890 is a critical vulnerability in the Spring Framework affecting versions 7.0.0 through 7.0.8 and 6.2.0 through 6.2.19. It involves improper neutralization of CRLF sequences (CRLF Injection) that can cause stream corruption when using Server-Sent Events (SSE) with view fragments in Spring MVC and WebFlux applications. The vulnerability has a high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.8critical
Affected software
Spring
Spring Framework
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47890) in the Spring Framework arises from improper neutralization of CRLF sequences (CWE-93) leading to potential stream corruption in applications using Server-Sent Events (SSE) combined with view fragments. It affects Spring Framework versions 7.0.0 through 7.0.8 and 6.2.0 through 6.2.19. The flaw could allow attackers to manipulate the event stream, impacting application behavior and security. No official remediation or patch information is currently provided in the vendor advisory or CVE data.
Potential Impact
The vulnerability can lead to stream corruption in SSE implementations within Spring MVC and WebFlux applications, potentially allowing attackers to disrupt or manipulate data streams. The CVSS score of 9.8 reflects critical impact on confidentiality, integrity, and availability of affected applications.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider avoiding the use of Server-Sent Events with view fragments in affected Spring Framework versions or apply any recommended workarounds from the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- vmware
- Date Reserved
- 2026-05-20T10:01:00.477Z
- State
- PUBLISHED
Threat ID: 6a8fd7beacd9273b49e17553
Added to database: 08/27/2026, 06:22:54 UTC
Last enriched: 09/09/2026, 13:22:31 UTC
Last updated: 10/11/2026, 18:48:19 UTC
Views: 74
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