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CVE-2025-4144: Improper Authentication

🗓️ 01 May 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 6 Views

Improper Authentication in workers-oauth-provider MCP framework allows PKCE bypass.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-4144
1 May 202501:13
–circl
cnnvd
CNNVD
Workers-OAuth-Provider security vulnerability
1 May 202500:00
–cnnvd
cve
CVE
CVE-2025-4144
1 May 202500:50
–cve
cvelist
Cvelist
CVE-2025-4144 PKCE bypass via downgrade attack
1 May 202500:50
–cvelist
euvd
EUVD
EUVD-2025-12788
3 Oct 202520:07
–euvd
github
Github Security Blog
@cloudflare/workers-oauth-provider PKCE bypass via downgrade attack
1 May 202517:01
–github
github
Github Security Blog
Duplicate Advisory: @cloudflare/workers-oauth-provider PKCE bypass via downgrade attack
1 May 202503:31
–github
mend
Mend
CVE-2025-4144
1 May 202500:50
–mend
nvd
NVD
CVE-2025-4144
1 May 202501:15
–nvd
osv_cve
osv_cve
CVE-2025-4144
1 May 202501:15
–osv_cve
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12 May 2025 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 45.3
CVSS 3.19.8
EPSS0.00574
SSVC
6