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CVE-2026-48780

8.2 HIGH

Forem is open source software for building communities

Published: 2026-06-16 · Last updated: 2026-06-16

Severity and scoring

CVSS
8.2 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE
CWE-287

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.

Source: NVD

References

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