Medium

Request injection in Spring Cloud Gateway

  • Disclosed: 10.11.2021
  • Updated: 11.10.2026 11:21

Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.springframework.cloud:spring-cloud-gateway >= 3.0.0, < 3.0.5, >= 2.2.0, < 2.2.10.RELEASE0.5 3.0.5, 2.2.10.RELEASE0.5

References

CVSS score 6.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE)
CWE-352, CWE-863
Platform
Java / Kotlin (Maven)
Package
org.springframework.cloud:spring-cloud-gateway
Disclosed
10.11.2021
Updated
11.10.2026 11:21

Sources and licenses

OSV / GitHub Advisory Database - GHSA-2r2v-q399-qq93 - CC BY 4.0

Vulnerability history: org.springframework.cloud:spring-cloud-gateway

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
11.2021 04.2026
Without a fix
0
Exploited in attacks
1

Severity breakdown

  • Critical 1
  • High 1
  • Medium 1

Disclosures per year

  1. 2021: 1
  2. 2022: 1
  3. 2023: 0
  4. 2024: 0
  5. 2025: 0
  6. 2026: 1
  1. High · 7.5 CVE-2026-22750 >= 4.2.0, < 4.2.1 4.2.1
  2. Critical · 10.0 Exploited in attacks CVE-2022-22947 < 3.0.7, >= 3.1.0, < 3.1.1 3.0.7, 3.1.1
  3. Request injection in Spring Cloud Gateway this entry
    Medium · 6.5 CVE-2021-22051 >= 3.0.0, < 3.0.5, >= 2.2.0, < 2.2.10.RELEASE0.5 3.0.5, 2.2.10.RELEASE0.5

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.