CVE-2026-48612

high

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-06-12

Updated: 2026-06-12

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8

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

Severity: High