CVE-2026-75587
lowpriority · track · 13EPSS 0.001 · 3 %ileDEUSEPSS · scored 2026-10-28
Mattermost Desktop App versions <=6.2 6.2.2.0 fail to redact the pre-auth secret when generating a diagnostics report, which allows a local attacker with access to a user's diagnostics report or log files to obtain the plaintext pre-auth secret configured for a connected server via inspecting the Server Connectivity (Step-3) diagnostics output. Mattermost Advisory ID: MMSA-2026-00716
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2876Mattermost Desktop: Mehrere SchwachstellenDeutsch2026-08-17csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Mattermost Desktop ausnutzen, um Informationen offenzulegen oder um nicht näher spezifizierte Auswirkungen zu verursachen.
sources
Which sources assert this record, and when.
references (1) nvd
External citations — patches, advisories, analysis.
- https://mattermost.com/security-updatesVendor Advisory
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