What is the CVSS score of CVE-2025-68662?

CVE-2025-68662 has a CVSS 3.1 base score of 7.6 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Discourse are affected by CVE-2025-68662?

Discourse instances running vulnerable versions face a Server-Side Request Forgery (SSRF) bypass risk that could allow attackers to access internal resources or perform unauthorized actions.

How to fix or mitigate CVE-2025-68662?

Within 24 hours: Identify all Discourse instances in your environment and document current versions. Within 7 days: Upgrade to Discourse 3.5.4, 2025.11.2, 2025.12.1, or 2026.1.0 or later; if immediate upgrade is impossible, implement compensating controls listed below. Within 30 days: Verify all instances are patched, review access logs for suspicious activity, and validate SSRF protections are functioning.

Discourse CVE-2025-68662

HIGH

Server-Side Request Forgery (SSRF) (CWE-918)

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

SSRF Discourse

7.6

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.6 HIGH

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

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:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 28, 2026 - 20:16 nvd

HIGH 7.6

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, 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.

AnalysisAI

Technical ContextAI

Classified as CWE-918 (Server-Side Request Forgery (SSRF)). 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, 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.

RemediationAI

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

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CVE-2025-68662 vulnerability details – vuln.today

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