CVE-2026-46413

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CVSS 3.1

6.5 medium

EPSS

<1%p42

Published

Jul 9, 2026 (Jul 9, 2026)

Modified

Jul 14, 2026

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.

Vendors: discourse
Products: discourse
Weakness: CWE-862
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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