CVE-2026-2578

MEDIUM

4.3

Beschreibung

Mattermost versions 11.3.x <= 11.3.0 fail to preserve the redacted state of burn-on-read posts during deletion which allows channel members to access unrevealed burn-on-read message contents via the WebSocket post deletion event.. Mattermost Advisory ID: MMSA-2026-00579

CVE Details

CVSS v3.1 Bewertung4.3

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht3/16/2026

Zuletzt geandert3/18/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

mattermost:mattermost_server

Schwachen (CWE)

CWE-201

Referenzen

https://mattermost.com/security-updates(responsibledisclosure@mattermost.com)

IOC Korrelationen

Keine Korrelationen erfasst

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