Security
Attackers Exploit Issabel Framework Flaw Enabling Unauthenticated OS Command Execution
The Hacker News·September 16, 2026·1 min read
Attackers are actively exploiting CVE-2026-89026 in Issabel Framework, a critical flaw with CVSS scores of 9.8 and 9.3. The vulnerability allows unauthenticated remote attackers to execute arbitrary OS commands by leveraging a hard-coded credential. Organizations using the open-source unified communications PBX software should patch immediately.
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