CVE-2026-48780EPSS p12.1%
CVE-2026-48780CVE-2026-48780
Description
Forem is open source software for building communities. Prior to commit a2ab6d4, a maliciously crafted email address could allow an attacker to bypass domain allowlist or denylist restrictions and gain access to invite-only forem deployments. The issue is patched as of `a2ab6d4`. As a workaround, some SMTP servers and email delivery providers may drop or refuse to send maliciously crafted email addresses.
Scoring
| CVSS | 8.2 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
| EPSS | 0.22% probability of exploitation · percentile 12.1% · 2026-06-19T12:03:05Z |
| Last modified | 2026-06-16 |