CVE-2026-47366
High
Description
Improper verification of access permissions when modifying permissions through the Administration Control Panel (ACP) allowed an authenticated administrator to grant permissions beyond the level authorized for their account, resulting in privilege escalation within the administrative interface.
SeverityHigh
CVSS7.2
Exploit probability—
Product
phpBB
PublishedJun 12, 2026
First seenJun 12, 2026
Weakness typeCWE-284Improper access control
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| phpBB phpBB | 3.3.0 ≤ v ≤ 3.3.16 | — |
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