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Fencer Vulns
medium 6.1

CVE-2026-41008 json

Spring Security Authorization Server Open Redirect via request_uri

published 2026-06-09 5 mo ago modified 2026-08-12 2 mo ago also GHSA-4r8w-73jc-3m7q , EUVD-2026-35888

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven org.springframework.security:spring-security-oauth2-authorization-server 1.5.8, 7.0.6
  • Spring Spring Security 7.0.5.1
  • Spring Spring Authorization Server 1.5.7.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.springframework.security:spring-security-oauth2-authorization-server
>=7.0.0, <7.0.6
>=1.5.0, <1.5.8
7.0.6
1.5.8

Affected products

  • Spring Spring Security
  • Spring Spring Authorization Server

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.