Sangoma FreePBX Authentication Bypass Vulnerability
Sangoma FreePBX contains an authentication bypass vulnerability due to insufficiently sanitized user-supplied data allows unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution.
- Vendor
- Sangoma
- Product
- FreePBX
- CVSS
- 9.8
- EPSS (exploit probability)
- 95.0%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2025-57819 being exploited?
Yes. CISA added CVE-2025-57819 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 95.0% (scored October 18, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Sangoma FreePBX CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2025-64328 Sangoma FreePBX OS Command Injection Vulnerability | [ HIGH ] | 7.2 | 84.6% | |
| CVE-2019-19006 Sangoma FreePBX Improper Authentication Vulnerability | [ CRITICAL ] | 9.8 | 55.9% |