Insufficient Granularity of Access Control Affecting phpbb/phpbb package, versions >=3.3.0, <3.3.17
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-PHPBBPHPBB-17398172
- published22 Jun 2026
- disclosed12 Jun 2026
- creditUnknown
Introduced: 12 Jun 2026
CVE-2026-47366 (opens in a new tab)How to fix?
Upgrade phpbb/phpbb to version 3.3.17 or higher.
Overview
phpbb/phpbb is a Forum Software application.
Affected versions of this package are vulnerable to Insufficient Granularity of Access Control due to improper verification of access permissions in the Administration Control Panel (ACP). An attacker can obtain elevated privileges by modifying permissions beyond their authorized level after authenticating as an administrator.