PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-41694 Spring CVE debrief

CVE-2026-41694 is a low-severity vulnerability in Spring Security that allows attackers to craft SAML payloads and use the Service Provider as a decryption oracle. The vulnerability affects Spring Security versions 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, and 7.0.0 through 7.0.5.

Vendor
Spring
Product
Spring Security
CVSS
LOW 3.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-07-17
Advisory published
2026-06-10
Advisory updated
2026-07-17

Who should care

Users of affected Spring Security versions should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by Spring Security's decryption of SAML Responses and elements of SAML LogoutRequests and LogoutResponses without requiring a valid signature. This allows attackers to craft SAML payloads and use the Service Provider as a decryption oracle.

Defensive priority

Low

Recommended defensive actions

  • Upgrade to a non-vulnerable version of Spring Security.
  • Refer to the vendor advisory for more information: [ref-4](https://spring.io/security/cve-2026-41694)

Evidence notes

The CVE record and NVD detail pages provide additional information about this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41694 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41694

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-41694 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41694

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.