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CVE-2025-68662

Good to know:

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Date: January 28, 2026

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.

Severity Score

Related Resources (3)

https://github.com/discourse/discourse/security/advisories/GHSA-gcfp-rjfc-925c
https://nvd.nist.gov/vuln/detail/CVE-2025-68662
https://www.mend.io/vulnerability-database/CVE-2025-68662

Severity Score

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

Top Fix

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Upgrade Version

Upgrade to version https://github.com/discourse/discourse.git - v2026.1.0;https://github.com/discourse/discourse.git - v2025.11.2;https://github.com/discourse/discourse.git - v3.5.4;https://github.com/discourse/discourse.git - v2025.12.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): LOW

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