CVE-2025-4143
🗓️ 01 May 2025 00:19:52Reported by cloudflareType 
cve🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 93 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 18 |
|---|---|---|---|---|
 | CVE-2025-4143 | 1 May 202501:13 | – | circl |
 | Workers-OAuth-Provider security vulnerability | 1 May 202500:00 | – | cnnvd |
 | CVE-2025-4143 Missing validation of redirect_uri on authorize endpoint | 1 May 202500:19 | – | cvelist |
 | EUVD-2025-12792 | 3 Oct 202520:07 | – | euvd |
 | @cloudflare/workers-oauth-provider missing validation of redirect_uri on authorize endpoint | 1 May 202517:00 | – | github |
| Duplicate Advisory: @cloudflare/workers-oauth-provider missing validation of redirect_uri on authorize endpoint | 1 May 202503:31 | – | github |
 | CVE-2025-4143 | 1 May 202500:19 | – | mend |
 | CVE-2025-4143 | 1 May 202501:15 | – | nvd |
 | CVE-2025-4143 | 1 May 202501:15 | – | osv_cve |
| GHSA-4PC9-X2FX-P7VJ @cloudflare/workers-oauth-provider missing validation of redirect_uri on authorize endpoint | 1 May 202517:00 | – | osv_ghsa |
10
Node
[
{
"collectionURL": "https://github.com/cloudflare",
"defaultStatus": "unaffected",
"packageName": "workers-oauth-provider",
"repo": "https://github.com/cloudflare/workers-oauth-provider",
"versions": [
{
"lessThan": "0.0.5",
"status": "affected",
"version": "0",
"versionType": "git"
}
]
}
]| Source | Link |
|---|---|
| github | www.github.com/cloudflare/workers-oauth-provider/pull/26 |
| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| redirect_uri | query param | /oauth/authorize | The OAuth provider fails to validate that the redirect_uri is on the allowed list of redirect URIs for the given client registration during the authorization flow. | CWE-601 |
| redirect_uri | query param | /oauth/token | The OAuth provider fails to validate that the redirect_uri is on the allowed list of redirect URIs for the given client registration during the token exchange flow. | CWE-601 |
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
17 Jun 2026 09:32Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.1
CVSS 46
EPSS0.00324
SSVC