Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-59313

Severity CVSS v4.0:
Pending analysis
Type:
CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
Publication date:
27/08/2026
Last modified:
28/08/2026

Description

Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).<br /> Spring Framework 7.0.0 - 7.0.8<br /> Spring Framework 6.2.0 - 6.2.19<br /> Spring Framework 6.1.0 - 6.1.28<br /> Spring Framework 6.0.0 - 6.0.30<br /> Spring Framework 5.3.0 - 5.3.49

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

References to Advisories, Solutions, and Tools