What is the CVSS score of CVE-2025-68479?

CVE-2025-68479 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Discourse are affected by CVE-2025-68479?

Discourse subscription management endpoints lack proper ownership validation, potentially allowing unauthorized users to modify subscriptions they don't own.

How to fix or mitigate CVE-2025-68479?

Within 24 hours: Identify all Discourse instances and document versions running prior to 3.5.4, 2025.11.2, 2025.12.1, or 2026.1.0; restrict subscription management access to trusted administrators only. Within 7 days: Implement network-level controls limiting subscription endpoint access; review audit logs for unauthorized subscription modifications. Within 30 days: Upgrade all instances to patched versions (3.5.4+, 2025.11.2+, 2025.12.1+, or 2026.1.0+) as patches become available.

Discourse CVE-2025-68479

HIGH

Missing Authorization (CWE-862)

2026-01-28 security-advisories@github.com

Authentication Bypass Discourse

7.1

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.1 HIGH

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 28, 2026 - 19:16 nvd

HIGH 7.1

DescriptionGitHub Advisory

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, some subscription endpoints lack proper checking for ownership before making changes. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.

AnalysisAI

Technical ContextAI

Classified as CWE-862 (Missing Authorization). Affects Discourse. Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, some subscription endpoints lack proper checking for ownership before making changes. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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CVE-2025-68479 vulnerability details – vuln.today

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