7.5

CVE-2026-40988

Unbounded DEFLATE Inflation in SAML 2.0 Service Provider

An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory.

Affected versions:
Spring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
VMware ≫ Spring Security Version >= 5.7.0 < 5.7.24
VMware ≫ Spring Security Version >= 5.8.0 < 5.8.26
VMware ≫ Spring Security Version >= 6.3.0 < 6.3.17
VMware ≫ Spring Security Version >= 6.4.0 < 6.4.17
VMware ≫ Spring Security Version >= 6.5.0 < 6.5.11
VMware ≫ Spring Security Version >= 7.0.0 < 7.0.6
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.33% 0.247
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security@vmware.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

https://spring.io/security/cve-2026-40988
Vendor Advisory