VULNERABILITY INTELLIGENCE

CVE-2026-48780

CVSS score8.2 HIGH
EPSS probability0.22%
CISA KEVNot currently listed
Published2026-06-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-287

Primary references