CVE-2025-6505: linux kernel Auth Bypass — Fix

Description

Unauthorized access and impersonation can occur in versions 4.6.2.3226 and below of Progress Software's Hybrid Data Pipeline Server on Linux. This vulnerability allows attackers to combine credentials from different sources, potentially leading to client impersonation and unauthorized access. When OAuth Clients perform an OAuth handshake with the Hybrid Data Pipeline Server, the server accepts client credentials from both HTTP headers and request parameters.

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
progress	hybrid_data_pipeline	< 4.6.2.3275
linux	linux_kernel	All

References

Advisories & Patches

https://community.progress.com/s/article/DataDirect-Hybrid-Data-Pipeline-Critical-Security-Product-Alert-Bulletin-July-2025---CVE-2025-6505

Frequently Asked Questions

What is CVE-2025-6505? +

Unauthorized access and impersonation can occur in versions 4.6.2.3226 and below of Progress Software's Hybrid Data Pipeline Server on Linux. This vulnerability allows attackers to combine credentials from different sources, potentially leading to client impersonation and unauthorized access. When OAuth Clients perform an OAuth handshake with the Hybrid Data Pipeline Server, the server accepts client credentials from both HTTP headers and request parameters. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2025-6505? +

CVE-2025-6505 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-6505? +

CVE-2025-6505 affects products from linux, progress, specifically: hybrid_data_pipeline, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6505? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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