MEDIUMMaven →
Spring Framework Escalation via Session Fixation in WebFlux
Spring Framework Escalation via Session Fixation in WebFlux
Affected packages
- org.springframework:spring-webflux— 7.0.0 → 7.0.8
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.20%
- EPSS percentile
- 9.6%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 10%.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-41839
- https://github.com/spring-projects/spring-framework/issues/36742
- https://github.com/spring-projects/spring-framework/issues/36743
- https://github.com/spring-projects/spring-framework/commit/b8ddd2c690fe3f00bb5e3d9f913a37504aab49a0
- https://github.com/spring-projects/spring-framework/commit/d72da90d3a562632e2b565113813f7b4a31f8717
- https://github.com/spring-projects/spring-framework
- https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19
- https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8
- https://spring.io/security/cve-2026-41839
Structured record: https://osv.dev/vulnerability/GHSA-4hfh-6x8g-gwpp
Recommended response stack
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