Sangoma FreePBX Improper Authentication Vulnerability
Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and below have Incorrect Access Control.
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 4 / 5
- KEV catalog (CISA)03 Feb 2026
- Exploited in EUVD (ENISA)03 Feb 2026
- Used by ransomwareno
- EPSS above 10 %55.9%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 55.9%
References
Other exploited vulnerabilities from the same vendor
- CVE-2026-9586Sangoma Switchvox SQL Injection Vulnerability6.7 · Actively exploited
- CVE-2025-64328Sangoma FreePBX OS Command Injection Vulnerability7.8 · Background exploitation
- CVE-2025-57819Sangoma FreePBX Authentication Bypass Vulnerability9.3 · Background exploitation