CVE-2026-48611
- State
- Published
- Severity
- 9.8 Critical
- Published
- Jun 12, 2026
- Updated
- Jun 12, 2026
- Reserved
- May 22, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 9.8 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | hackerone |
Weaknesses
- CWE-287 Improper Authentication - Generic
Affected Products
| Product | Versions |
|---|---|
phpBBphpBB |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.