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CVE-2026-46413

nvd nist
Published: Jul 9, 2026Modified: Jul 14, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploitability: 2.8 / Impact: 3.6
Source: security-advisories@github.com (Secondary)

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.

Affected (4)

Products: Discourse: Discourse
Discourse
1 product
Discourse
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Discourse
Discourse
From 2026.1.0 to 2026.1.5
Discourse
From 2026.4.0 to 2026.4.2
Discourse
From 2026.5.0 to 2026.5.1
Discourse
Version 2026.6.0

Related CWEs

CWE-862
Missing Authorization
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (9)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Vendor AdvisoryMitigation

Timeline

No history available yet.