CVE-2026-47366

7.2HIGH

Key Information:

Vendor

PHPbb

Status
PHPbb
Vendor
CVE Published:
12 June 2026

What is CVE-2026-47366?

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.

Affected Version(s)

phpBB 3.3.0 <= 3.3.16

References

https://www.phpbb.com/community/viewtopic.php?t=2672170

CVSS V3.0

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.