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  3. Attackers Exploit Issabel Framework Flaw Enabling Unauthenticated OS Command Execution

The Hacker News

Attackers Exploit Issabel Framework Flaw Enabling Unauthenticated OS Command Execution

A critical security flaw in Issabel Framework, a web-based framework for the open-source unified communications PBX software, has come under active exploitation. The vulnerability in question is CVE-2026-89026 (CVSS v3.1 score: 9.8/CVSS v4.0 score: 9.3), which can allow an unauthenticated remote attacker to execute arbitrary operating system (OS) commands by taking advantage of a hard-coded

Continue with the complete report on the publisher’s website.

Read full article at The Hacker News
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By The Hacker News

16 September 2026|1 min read
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Cybersecurity, Cryptography & Digital Trust
Attackers Exploit Issabel Framework Flaw Enabling Unauthenticated OS Command Execution
Attackers Exploit Issabel Framework Flaw Enabling Unauthenticated OS Command Execution
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