CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2026-40988
High (7.5) in vmware spring security. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in org.springframework.security:spring-security-saml2-service-provider 6.5.11, 7.0.6.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
- CWE
- CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- vmware:spring_security
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-m69x-pw9p-7j3q | Maven | org.springframework.security:spring-security-saml2-service-provider | >=7.0.0 <7.0.6 | 7.0.6 |
| GHSA-m69x-pw9p-7j3q | Maven | org.springframework.security:spring-security-saml2-service-provider | >=6.5.0 <6.5.11 | 6.5.11 |
| GHSA-m69x-pw9p-7j3q | Maven | org.springframework.security:spring-security-saml2-service-provider | >=6.4.0 <=6.4.16 | no fix published |
| GHSA-m69x-pw9p-7j3q | Maven | org.springframework.security:spring-security-saml2-service-provider | >=6.3.0 <=6.3.16 | no fix published |
| GHSA-m69x-pw9p-7j3q | Maven | org.springframework.security:spring-security-saml2-service-provider | >=5.8.0 <=5.8.25 | no fix published |
| GHSA-m69x-pw9p-7j3q | Maven | org.springframework.security:spring-security-saml2-service-provider | <=5.7.23 | no fix published |