CVE-2025-68662

published 2026-01-28

CVE-2025-68662: Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, a hostname validation issue in…

Priority P2 62 critical 9.9 CVSS 3.1

AV N AC L PR L UI N S C C H I H A H

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, a hostname validation issue in FinalDestination could allow bypassing SSRF protections under certain conditions. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
discourse	discourse	< 3.5.4	3.5.4
discourse	discourse	—	—
discourse	discourse	—	—
discourse	discourse	—	—
discourse	discourse	—	—
discourse	discourse	—	—
discourse	discourse	>= 2025.11.0 < 2025.11.2	2025.11.2

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-918