PT-2026-25699 · Mattermost · Github.Com/Mattermost/Mattermost-Server+1

Winfunc

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Publicado

2026-02-13

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Atualizado

2026-03-27

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CVE-2026-24458

CVSS v2.0

7.8

Alta

VetorAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Mattermost versions 11.3.0 and earlier Mattermost versions 11.2.2 and earlier Mattermost versions 10.11.10 and earlier
Description The software does not correctly manage very long passwords. This allows an attacker to exhaust server resources, specifically CPU and memory, by repeatedly attempting to log in with excessively large passwords. The issue is present in the github.com/mattermost/mattermost-server module prior to version v5.3.2-0.20260129164748-7201f42d955f.
Recommendations Update Mattermost to a version later than 11.3.0. Update Mattermost to a version later than 11.2.2. Update Mattermost to a version later than 10.11.10. Update the github.com/mattermost/mattermost-server module to version v5.3.2-0.20260129164748-7201f42d955f or later.

Correção

DoS

Allocation of Resources Without Limits

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Enumeração de Fraquezas

CWE-770

Identificadores relacionados

BDU:2026-06564
CVE-2026-24458
GHSA-M5RV-56XX-HFC6
GO-2026-4731
SUSE-SU-2026:1135-1

Produtos afetados

Mattermost
Github.Com/Mattermost/Mattermost-Server