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CVE-2026-2456mediumCWE-789

Denial of Service via Unbounded Memory Allocation in Integration Actions

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 5.3epss 0.2%
probabilidade de exploração
0.2%top 94% das CVEs
exploração observada
nãonenhuma fonte reporta
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 Mattermost fails to limit the size of responses from integration action endpoints, which allows an authenticated attacker to cause server memory exhaustion and denial of service via a malicious integration server that returns an arbitrarily large response when a user clicks an interactive message button.. Mattermost Advisory ID: MMSA-2026-00571
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Produtos afetados
Mattermost · Mattermost