Medium severity · published Jun 9, 2026
CVE-2026-41008
Spring Security Authorization Server Open Redirect via request_uri
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
Spring Security Authorization Server's authorization endpoint performs insufficient validation of the request_uri parameter. An attacker can craft a malicious authorization request containing an invalid request_uri and an arbitrary, unvalidated redirect_uri, which can lead to an Open Redirect vulnerability.
Affected versions:
Spring Security 7.0.0 through 7.0.5.
Spring Authorization Server 1.5.0 through 1.5.7.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Spring Authorization Server · Spring
1.5.0 before 1.5.7.1 · source: vendor, NVD
SS
Spring Security · Spring
7.0.0 before 7.0.5.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41008
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41008
Vendor Advisory
https://spring.io/security/cve-2026-41008
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