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High severity8.1NVD Advisory· Published May 29, 2026· Updated Jun 1, 2026

CVE-2026-44237

CVE-2026-44237

Description

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() method in ClientRepository.php unconditionally returns true, allowing any party with knowledge of a valid client_id to obtain OAuth2 access tokens without providing the correct client_secret. This vulnerability is fixed in 17.0.8.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Freepbx/Security Reportinginferred
    Range: <17.0.8
  • Freepbx/Freepbx2 versions
    cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*range: <17.0.8
    • (no CPE)range: <17.0.8

Patches

Vulnerability mechanics

References

1

News mentions

0

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