Cloudanix VulnDB

CVE-2026-40988

High · 7.5

CVSS

7.5

EPSS

0.5%

Published

Jun 10, 2026

CISA due date

—

The record

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.

Affected packages

Ecosystem Package Introduced Fixed

Related vulnerabilities