HPE Security Advisory
Published Date: July 21, 2026
CVE: CVE-2026-48020
Advisory Summary
❗️⚠️ Critical Security Alert: Authentication Bypass in HPE Private 5G Core via Traefik Path Normalization
Hewlett Packard Enterprise has released an important security advisory for its Private 5G Core infrastructure, addressing a vulnerability identified as CVE-2026-48020. This issue relates to the Traefik reverse proxy’s StripPrefix middleware, which can be exploited through path normalization to bypass route-level authentication controls. Attackers could leverage this flaw to gain unauthorized access to protected services within the Private 5G Core environment.
This authentication bypass significantly elevates security risks, potentially undermining sensitive 5G network functions and data integrity. Enterprises utilizing HPE’s Private 5G solutions should prioritize applying the provided patches and configuration updates immediately to mitigate exposure.
- Review the security advisory HPESBNW05083 rev.1 on HPE Support.
- Deploy available patches without delay.
- Audit Traefik middleware configurations to ensure route-level authentication efficacy.
- Monitor network traffic and access logs for unusual behavior post-mitigation.
Staying ahead with timely remediation safeguards both the performance and security posture of private 5G deployments—vital for organizations leveraging edge and private network technologies.
-48020
Reference: Vendor Advisory