Cloudflare Workers-oauth-provider — known CVE vulnerabilities

Every CVE whose affected-product data names Cloudflare Workers-oauth-provider, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (2)

• CVE-2025-4144 — CVSS 9.8 (critical): PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/worke…
• CVE-2025-4143 — CVSS 6.1 (medium): The OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp , did not…