CVE-2026-2578
Information Disclosure via WebSocket Event When Deleting Unrevealed Burn on Read Posts
Résumé
Information Disclosure via WebSocket Event When Deleting Unrevealed Burn on Read Posts
Description d'origine
La description telle que publiée par la source (souvent en anglais).
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
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Références
- advisory github.com
- advisory mattermost.com
- advisory nvd.nist.gov