What is CVE-2026-44237?

CVE-2026-44237 is a high-severity vulnerability in Freepbx Security-reporting, classified under Weak Authentication. CVSS score: 8.1/10. Published 2026-05-29.

How severe is CVE-2026-44237?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Freepbx Security-reporting

CVE-2026-44237

FreePBX is an open source IP PBX. Prior to 17.0.8, the FreePBX api module's OAuth2 implementation does not sufficiently validate client credentials during token issuance. Knowledge of a valid client_id is required. The validateClient() met…

EPSS: 0.000 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Freepbx Security-reporting — versions < 17.0.8
Sangoma Freepbx

Weakness classification (CWE)

CWE-1390 — Weak Authentication

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44237?: CVE-2026-44237 is a high-severity vulnerability in Freepbx Security-reporting, classified under Weak Authentication. CVSS score: 8.1/10. Published 2026-05-29.
How severe is CVE-2026-44237?: High severity. CVSS v3 base score is 8.1 out of 10.