CVE-2026-54675High· 8.8▾ TwilightFreePBX is an open source IP PBX. Prior to versions 16.0.10 and 17.0.5, a critical vulnerability exists in the sound language upload and conversion functionality that allows an authenticated attacker to perform arbitrary file writes, lea…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.6%
Last analysed / modified upstream
0.6% → 0.7%
8.7 → 8.8
FreePBX is an open source IP PBX. Prior to versions 16.0.10 and 17.0.5, a critical vulnerability exists in the sound language upload and conversion functionality that allows an authenticated attacker to perform arbitrary file writes, leading directly to remote code execution (RCE). Authentication with a known username is required. The vulnerability stems from insufficient path sanitization in the file conversion process, enabling path traversal attacks that place malicious PHP files in the web server's root directory. This issue has been patched in versions 16.0.10 and 17.0.5.
freepbx >= 16.0, < 16.0.10freepbx >= 17.0, < 17.0.5Upgrade past the affected range:
freepbx 17.0.5Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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