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CVE-2026-47366

HIGH
7.2
CVSS 3.0
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.

Metadata

CVE ID
CVE-2026-47366
State
PUBLISHED
Assigner
hackerone
Reserved
2026-05-19 15:00 UTC
Published
2026-06-12 02:27 UTC
Last updated
2026-06-12 12:26 UTC
Primary CWE
CWE-284
CWE-284 Improper Access Control - Generic
Vendor / Product
phpBB / phpBB
Sources
cve.org  ·  NVD

Severity & Metrics

7.2 HIGH CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
phpBB phpBB — 3.3.0 ≤ 3.3.16
Weakness (CWE)
CWESourceDescription
CWE-284 cna CWE-284 Improper Access Control - Generic
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.2 HIGH 3.0 cna CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References (1)
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