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HPE Telco Service Activator Vulnerability Let Attackers Bypass Access Restrictions

Cybersecuritynews •Abinaya • February 23, 2026

Security Bulletin released on February 19, 2026, addresses a remote flaw in HPE Telco Service Activator that could let attackers bypass access restrictions. According to HPE, the issue stems from the Undertow HTTP server core used by the product. The flaw is an improper input validation condition in which the server fails to validate the Host header […]

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HPE Telco Service Activator Vulnerability Allows Access Control Bypass A vulnerability in HPE Telco Service Activator, reported on February 19, 2026, allows attackers to bypass access restrictions. The flaw is linked to improper input validation in the Undertow HTTP server core used by the product, specifically failing to validate the Host header. 4 sources 32

HPE Telco Service Activator Vulnerability Let Attackers Bypass Access Restrictions

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