CVE-2023-5331

—

CVSS 3.1

5.3 medium

EPSS

<1%p25

Published

Oct 9, 2023 (Oct 9, 2023)

Modified

Jun 17, 2026

Description

Mattermost fails to properly check the creator of an attached file when adding the file to a draft post, potentially exposing unauthorized file information.

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

NVD CVE.org GitHub PoCs EPSS (0.3%)

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