CVE-2026-41847
MEDIUMCVSS 5.3/10EPSS 0.17%
Last modified
CVE-2026-41847 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Spring Framework | >= 5.3.0, < 5.3.49 |
References
- https://spring.io/security/cve-2026-41847Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-41847?
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.
How severe is CVE-2026-41847?
CVE-2026-41847 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-41847?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-41847?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST