WID-SEC-W-2026-0692

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Mattermost MS Teams plugin: Mehrere Schwachstellen ermöglichen Denial of Service

view advisory published 2026-03-10

Ein Angreifer kann mehrere Schwachstellen im Mattermost MS Teams plugin ausnutzen, um einen Denial of Service Angriff durchzuführen.

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describes (2)

Related CVEs.

IDseverity exploitable
CVE-2026-24661USmedium6.5—
Mattermost Plugins versions <=2.1.3.0 fail to limit the request body size on the {{/changes}} webhook endpoint which allows an authenticated attacker to cause memory exhaustion and…
CVE-2026-21388USmedium6.5—
Mattermost Plugins versions <=2.3.1 fail to limit the request body size on the {{/lifecycle}} webhook endpoint which allows an authenticated attacker to cause memory exhaustion and…
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references

External citations — patches, advisories, analysis.

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