Missing Authorization in Discourse - CVE-2025-68479
Published: January 29, 2026
Vulnerability identifier: #VU122122
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-68479
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Civilized Discourse Construction Kit, Inc.
Affected software:
Discourse
Discourse
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authorization process.
The vulnerability exists due to subscription endpoints lack proper checking for ownership before making changes. A remote user can takeover subscriptions.
How to mitigate CVE-2025-68479
Install updates from vendor's website.