Spring Framework Escalation via Session Fixation in WebFlux
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.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-41839US | — | — | ||
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… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/spring-projects/spring-frameworkPACKAGE
- https://github.com/spring-projects/spring-framework/commit/b8ddd2c690fe3f00bb5e3d9f913a37504aab49a0WEB
- https://github.com/spring-projects/spring-framework/commit/d72da90d3a562632e2b565113813f7b4a31f8717WEB
- https://github.com/spring-projects/spring-framework/issues/36742WEB
- https://github.com/spring-projects/spring-framework/issues/36743WEB
- https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19WEB
- https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-41839ADVISORY
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