Vulnerability intelligence
CVE-2025-57819
Sangoma FreePBX Authentication Bypass Vulnerability
FreePBX is an open-source web-based graphical user interface. FreePBX 15, 16, and 17 endpoints are vulnerable due to insufficiently sanitized user-supplied data allowing unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution. This issue has been patched in endpoint versions 15.0.66, 16.0.89, and 17.0.3.
CVSS Score
10
Critical
EPSS — Exploit Probability
77%
Riskier than 99% of all CVEs
Exploitation
Confirmed in the wild
Used in ransomware campaigns
Remediation
Patch available
Federal deadline 2025-09-19
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Deadline for federal agencies: 2025-09-19.
1 article across 1 outlet · first covered May 27, 2026 · latest May 27, 2026
Associated threat actors
Coverage timeline
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FreePBX Attackers Deploy JOMANGY Malware for Toll Fraud via CVEssecurityonline.info · May 27, 2026