Access Control Bypass in Spring Security
CVE-2023-34034GHSA-3h6f-g5f3-gc4w
What to do
Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.springframework.security:spring-security-config 6.1.2, 6.0.5, 5.8.5, 5.7.10, 5.6.12), redeploy, then verify what is actually installed.
This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.
Affected packages
Maven org.springframework.security:spring-security-config
- Affected
- >= 5.6.0, < 5.6.12>= 5.7.0, < 5.7.10>= 5.8.0, < 5.8.5>= 6.0.0, < 6.0.5>= 6.1.0, < 6.1.2
- Fixed in
- 5.8.5, 5.7.10, 6.1.2, 5.6.12, 6.0.5
Sources
- GitHub Advisory Database and maintainer security advisories on GitHub
GitHub-reviewed advisory GHSA-3h6f-g5f3-gc4w lists affected ranges: Maven org.springframework.security:spring-security-config >=5.6.0 =5.7.0 =5.8.0 =6.0.0 =6.1.0 <6.1.2
VerifiedObserved Structured GitHub Advisory Database record (type=reviewed) from the GitHub REST API.
Severity and exploitation
- Exploitation
- No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
- CVSS
- 9.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- CVE-2023-34034: 4.07% estimated exploitation activity in the next 30 days; percentile 90.70 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description
As published by the source; long descriptions are shortened.
Using "" as a pattern in Spring Security configuration for WebFlux creates a mismatch in pattern matching between Spring Security and Spring WebFlux, and the potential for a security bypass.
Dates and revisions
- Published by the source
- Last modified by the source
- Source last checked
- Revision 1 · created ·
Published from ghsa record GHSA-3h6f-g5f3-gc4w
Agent brief
Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.
# Patch Next advisory brief: CVE-2023-34034 Advisory: Access Control Bypass in Spring Security IDs: CVE-2023-34034, GHSA-3h6f-g5f3-gc4w Record: https://patchnext.com/advisories/cve-2023-34034 (revision 1, source checked 26 Oct 2026, 16:31 UTC) Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected. Severity: Critical (CVSS 9.1) Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV. Vendor response: Vendor fix available; fixed versions by package: org.springframework.security:spring-security-config 6.1.2, 6.0.5, 5.8.5, 5.7.10, 5.6.12. A vendor fix does not mean a deployment is fixed. ## Affected components - Maven org.springframework.security:spring-security-config: affected >= 5.6.0, < 5.6.12; >= 5.7.0, < 5.7.10; >= 5.8.0, < 5.8.5; >= 6.0.0, < 6.0.5; >= 6.1.0, < 6.1.2; fixed in 5.8.5, 5.7.10, 6.1.2, 5.6.12, 6.0.5 ## Suggested inspection (read-only) - Maven org.springframework.security:spring-security-config: check the installed version with your package manager. ## Supported action Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version. ## Required regression checks - Run the test suite and a production build. - Exercise the features that depend on org.springframework.security:spring-security-config. - Repeat the inspection and confirm that only fixed versions remain installed. ## Rollback considerations - Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward. ## Unresolved questions - Which deployments run an affected version? - Exploitation status can change. Check again before lowering the priority. - Mark the work resolved only after the fixed version is verified in production. ## Sources - Verified: https://github.com/advisories/GHSA-3h6f-g5f3-gc4w (GitHub-reviewed advisory GHSA-3h6f-g5f3-gc4w lists affected ranges: Maven org.springframework.security:spring-security-config >=5.6.0 =5.7.0 =5.8.0 =6.0.0 =6.1.0 <6.1.2) Commands are suggestions: review each one before running it.
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