Vulnerability · Published Jun 9, 2026 · Assigned by vmware
CVE-2026-41694SAML Payloads Decrypted Without Valid Signature
Low 3.7
In plain English
A low-severity security flaw in Spring Security from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Since Spring Security SAML decrypts SAML Responses as well as elements of SAML LogoutRequests and LogoutResponses without requiring a valid signature, attackers may be able to craft these SAML payloads and use the Service Provider as a decryption oracle. 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 & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.springframework.security:spring-security-saml2-service-provider | 7.0.6 | GHSA-ww38-37g9-m3q3 |
| Maven | org.springframework.security:spring-security-saml2-service-provider | 6.5.11 | GHSA-ww38-37g9-m3q3 |
| Maven | org.springframework.security:spring-security-saml2-service-provider | no fix listed | GHSA-ww38-37g9-m3q3 |
| Maven | org.springframework.security:spring-security-saml2-service-provider | no fix listed | GHSA-ww38-37g9-m3q3 |
| Maven | org.springframework.security:spring-security-saml2-service-provider | no fix listed | GHSA-ww38-37g9-m3q3 |
| Maven | org.springframework.security:spring-security-saml2-service-provider | no fix listed | GHSA-ww38-37g9-m3q3 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Security | 5.7.0 – before 5.7.245.8.0 – before 5.8.266.3.0 – before 6.3.176.4.0 – before 6.4.176.5.0 – before 6.5.10.27.0.0 – before 7.0.5.1 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N