CVE-2026-48612

CVSS Score & Metrics

Base Score

8.0 / 10

Vector String

                                        CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

June 12, 2026

Last Modified

June 17, 2026

CWE ID

CWE-352

Source

NVD

Vendor

phpBB

Product

phpBB

External References

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

CVSS Score & Metrics

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Vulnerability Details

External References

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