EUVD-2025-12792

Malicious code in bioql PyPI...

@iflow-mcp/git-mcp (1.0.0), mtmag (0.0.1) +4 more potentially affected by CVE-2025-4144 via @cloudflare/workers-oauth-provider (0.0.2)

@cloudflare/workers-oauth-provider NPM version 0.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on @cloudflare/workers-oauth-provider and may be impacted: - @iflow-mcp/git-mcp 1.0.0 - mtmag 0.0.1 - mtmaiadmin =0.0.694, =0.0.1, =0.8.11, =0.8.17 Source...

@iflow-mcp/git-mcp (1.0.0), mtmag (0.0.1) +4 more potentially affected by CVE-2025-4143 via @cloudflare/workers-oauth-provider (0.0.2)

@cloudflare/workers-oauth-provider NPM version 0.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on @cloudflare/workers-oauth-provider and may be impacted: - @iflow-mcp/git-mcp 1.0.0 - mtmag 0.0.1 - mtmaiadmin =0.0.694, =0.0.1, =0.8.11, =0.8.17 Source...

GHSA-7CP4-JW97-3RC2 Duplicate Advisory: @cloudflare/workers-oauth-provider missing validation of redirect_uri on authorize endpoint

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-4pc9-x2fx-p7vj. This link is maintained to preserve external references. Original Description The OAuth implementation in workers-oauth-provider that is part of MCP framework...

CVE-2025-4144

PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp . However, it was found that an attacker could cause the check to be skipped. Fixed in: https://github.com/cloudflare/workers-oauth-provider/pull/27...

CVE-2025-4143

The OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp , did not correctly validate that redirecturi was on the allowed list of redirect URIs for the given client registration. Fixed in: ...

CVE-2025-4143 Missing validation of redirect_uri on authorize endpoint

The OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp , did not correctly validate that redirecturi was on the allowed list of redirect URIs for the given client registration. Fixed in: ...

CVE-2025-4143: URL Redirection to Untrusted Site

The OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp , did not correctly validate that redirecturi was on the allowed list of redirect URIs for the given client registration. Fixed in: ...

PT-2025-18345 · Unknown · Workers-Oauth-Provider

Name of the Vulnerable Software and Affected Versions: workers-oauth-provider affected versions not specified Description: The issue is related to the OAuth implementation in workers-oauth-provider, part of the MCP framework. An attacker could cause the PKCE check to be skipped, completely...

PT-2025-18344 · Unknown · Workers-Oauth-Provider

Name of the Vulnerable Software and Affected Versions: workers-oauth-provider affected versions not specified Description: The OAuth implementation in workers-oauth-provider did not correctly validate that the redirect uri was on the allowed list of redirect URIs for the given client registration...

CVE-2025-4144: Improper Authentication

PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp . However, it was found that an attacker could cause the check to be skipped. Fixed in: https://github.com/cloudflare/workers-oauth-provider/pull/27...