Is CVE-2026-46413 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-46413?

CVE-2026-46413 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-46413

Description

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, regular users could route direct S3 multipart uploads through ExternalUploadManager into the admin backup store. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.