CVE-2026-24458

HIGH

CVE-2026-24458 DoS attack via login attempts with multi-megabyte passwords

Details

CVSS v3: 7.5
Affected versions: Not available in our cache.
Summary: 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
Remediation: Not available in our cache.
Exploit info: Not available in our cache.

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