CVE WatchAug 14, 2026

CVE-2026-73664

FreePBX is an open source IP PBX. From 17.0.5.34 until 17.0.11, the publicKeySave AJAX endpoint in Backup.class.php accepts an authenticated

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

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0-100

Published: Aug 13, 2026 · Last modified: Aug 14, 2026 · CWE-269 · CWE-284 · CWE-732

EPSS · 30d

Not enough EPSS history yet.

Technical description

FreePBX is an open source IP PBX. From 17.0.5.34 until 17.0.11, the publicKeySave AJAX endpoint in Backup.class.php accepts an authenticated administrator's SSH public key and appends it to /home/asterisk/.ssh/authorized_keys for the asterisk system user without reliably enforcing backup-only command and source restrictions. The key grants persistent shell access that can execute arbitrary commands, access FreePBX and call data, modify system files, and disrupt services. This issue is fixed in version 17.0.11.

Official references

github.comhttps://github.com/FreePBX/security-reporting/security/advisories/GHSA-24w6-hpg3-rwfg

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