Medium severity4.8NVD Advisory· Published Jun 9, 2026· Updated Jun 11, 2026
CVE-2026-41847
CVE-2026-41847
Description
Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL.
Affected versions: Spring Framework 5.3.0 through 5.3.48.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.springframework:spring-webfluxMaven | <= 5.3.39 | — |
Affected products
3- Range: >=5.3.0,<5.3.49
- Range: 5.3.0 - 5.3.48
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-vqgp-pf68-6947ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41847ghsaADVISORY
- spring.io/security/cve-2026-41847nvdVendor AdvisoryWEB
News mentions
1- Spring Framework: 13 Vulnerabilities Disclosed on June 9, 2026Vypr Intelligence · Jun 9, 2026