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Medium severity6.5NVD Advisory· Published Jul 17, 2026· Updated Jul 30, 2026

CVE-2026-9602

CVE-2026-9602

Description

Mattermost Desktop App versions <=6.2 6.0.2 5.6.13.0 fail to validate payloads sent from the Mattermost Web App to the Desktop App which allows a malicious server owner to crash the Mattermost Desktop App via changing the payload of a method to a malformed one. Mattermost Advisory ID: MMSA-2026-00678

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Mattermost/Mattermost Desktop Appllm-fuzzy2 versions
    <=6.2, 6.0.2, 5.6.13.0+ 1 more
    • (no CPE)range: <=6.2, 6.0.2, 5.6.13.0
    • cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*range: >=5.6.13,<5.13.7

Patches

Vulnerability mechanics

References

1

News mentions

0

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