CVE-2026-48612
CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th
Improper state verification in the OAuth implementation could allow an attacker to manipulate the authentication flow and cause a victim’s account to be linked to an attacker-controlled account. This can result in unauthorized account linking and potential account takeover.
| CWE | CWE-352 |
| Vendor | phpbb |
| Product | phpbb |
| Published | Jun 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H Affected Versions
phpBB / phpBB
3.3.0 ≤ 3.3.16