What’s Vulnerable › Vulnerabilities
CVE-2026-48611
- Severity: critical (CVSS 9.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2026-06-12 · updated 2026-06-17
- Weakness: CWE-287
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.
Affected products
- phpBB: from 3.3.0 through 3.3.16
References
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