Spring Framework Escalation via Session Fixation in WebFlux
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Spring | Spring Framework | unaffected |
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Configuration 1 [-]
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| Spring | Spring Framework |
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| Source | ID | Title |
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Github GHSA |
GHSA-4hfh-6x8g-gwpp | Spring Framework Escalation via Session Fixation in WebFlux |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.213% probability within 30 days)
| Link | Providers |
|---|---|
| https://spring.io/security/cve-2026-41839 |
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| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| First Time appeared |
Spring
Spring spring Framework |
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| Vendors & Products |
Spring
Spring spring Framework |
| Type | Values Removed | Values Added |
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| Description | A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user. 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. | |
| Title | Spring Framework Escalation via Session Fixation in WebFlux | |
| Weaknesses | CWE-384 | |
| References |
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| Metrics |
cvssV3_1
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