Description

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly handle very long passwords, which allows an attacker to overload the server CPU and memory via executing login attempts with multi-megabyte passwords. Mattermost Advisory ID: MMSA-2026-00587

INFO

Published Date :

2026-03-16T12:02:23.223Z

Last Modified :

2026-03-16T13:49:55.523Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2026-24458 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-24458.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Scope
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Integrity Impact
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