EUVD-2026-67193
GHSA-cqhh-73qg-8434
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Network-reachable, no auth or interaction (AV:N/AC:L/PR:N/UI:N), but CRLF-driven SSE stream corruption yields limited data exposure and response-integrity impact (C:L/I:L), not availability loss or full compromise.
Primary rating from Vendor (vmware).
CVSS VectorVendor: vmware
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49
AnalysisAI
Server-Sent Events (SSE) stream corruption affects Spring MVC applications built on the functional web framework across Spring Framework 5.3.0-5.3.49, 6.0.0-6.0.30, 6.1.0-6.1.28, 6.2.0-6.2.19 and 7.0.0-7.0.8, where unneutralized CRLF sequences (CWE-93) let an attacker inject into or corrupt the event stream. Reported by VMware/Spring and tagged as Information Disclosure, the flaw can break stream framing and potentially leak or splice data across SSE responses. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target to be a Spring MVC application using the functional web framework (WebMvc.fn / RouterFunction) that produces Server-Sent Events (text/event-stream) AND reflects attacker-controllable input into those event fields without neutralizing CRLF characters - this SSE-plus-functional-framework combination IS the concrete precondition, not a generic 'specific configuration'. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals conflict and should be weighed rather than taken at face value. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Patch available per vendor advisory (https://spring.io/security/cve-2026-59313) - upgrade to the fixed maintenance release for your line as published by Spring; the input does not include exact fixed version numbers, so confirm the precise patched versions (the next patch release above each affected range) directly from the spring.io advisory rather than assuming them. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all production Spring Framework deployments to identify running versions 5.3.0-5.3.49, 6.0.0-6.0.30, 6.1.0-6.1.28, 6.2.0-6.2.19, and 7.0.0-7.0.8 that use the functional web framework with Server-Sent Events capability; flag any systems transmitting sensitive data via SSE. …
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External POC / Exploit Code
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