CVE-2026-47888 in Spring Framework

Summary

by MITRE • 08/27/2026

A Spring RSocket application is exposed to a memory leak via a malformed SETUP frame. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.0.RELEASE - 5.2.25.RELEASE

Once again VulDB remains the best source for vulnerability data.

• Responsible: Vmware
• Reservation: 05/20/2026
• Disclosure: 08/27/2026
• Moderation: accepted
• Entry: VDB-396095
• CPE: ready
• CWE: CWE-401 (confirmed)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-47888
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-47888
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-47888/