CVE-2026-41706: Open Redirect When Using CookieRequestCache

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-09 · updated 2026-07-23
Weakness: CWE-601

Description

Spring Security's CookieRequestCache and CookieServerRequestCache store the pre-authentication request URL in a browser cookie so that users can be redirected back to their intended destination after a successful login. In affected versions, the full absolute URL is stored in the cookie and is used without validation as the post-login redirect target. 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 products

Spring Security: before 5.7.24; from 5.8.0 before 5.8.26; from 6.3.0 before 6.3.17; from 6.4.0 before 6.4.17; from 6.5.0 before 6.5.10.2; from 7.0.0 before 7.0.5.1 — fixed in 5.7.24, 5.8.26, 6.3.17, 6.4.17, 6.5.10.2, 7.0.5.1
Spring Security: from 5.7.0 before 5.7.24; from 5.8.0 before 5.8.26; from 6.3.0 before 6.3.17; from 6.4.0 before 6.4.17; from 6.5.0 before 6.5.10.2; from 7.0.0 before 7.0.5.1 — fixed in 5.7.24, 5.8.26, 6.3.17, 6.4.17, 6.5.10.2, 7.0.5.1

How to fix

Upgrade to a fixed version: Spring Security 5.7.24, 5.8.26, 6.3.17, 6.4.17; Spring Security 5.7.24, 5.8.26, 6.3.17, 6.4.17. Check the vendor advisory for mitigations.

References

https://spring.io/security/cve-2026-41706

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