WID-SEC-W-2026-4179

csafDEcert_bund

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

Mattermost Server: Schwachstelle ermöglicht Denial of Service

view advisory published 2026-10-26

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Mattermost Server ausnutzen, um einen Denial of Service Angriff durchzuführen.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-116516US——
Mattermost versions <=11.9 11.1.9 11.5.8 11.10.7.0 fail to validate Zoom chat line length before slicing which allows an authenticated attacker to crash the Agents plugin via summa…
02

references

External citations — patches, advisories, analysis.

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