CVE-2025-68662 HIGH

CVE-2025-68662: FinalDestination hostname matching allows SSRF protection bypass

Vendor Discourse
Product discourse
Weakness CWE-918 · SSRF
Published January 28, 2026
Last update January 28, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 28, 2026 CVE published
January 28, 2026 Record updated