CVE-2026-48611

critical · 9.8

A public exploit / detection template exists

Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →

Improper authentication checks in the OAuth implementation allow account hijacking even when OAuth is not configured or enabled leading to unauthorized access in default installations.

9.8

CVSS

3.9%

EPSS (exploit prob.)

90th

EPSS percentile

2026-06-12

Published

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

Weaknesses

CWE-287

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-48611