CVE-2024-39361

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5 fail to prevent users from specifying a RemoteId for their posts which allows an attacker to specify both a remoteId and the post ID, resulting in creating a post with a user-defined post ID. This can cause some broken functionality in the channel or thread with user-defined posts

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-284

Affected software

Vendor	Product	Versions
Mattermost	Mattermost	9.8.0; >= 9.7.0, <= 9.7.4; >= 9.6.0, <= 9.6.2; >= 9.5.0, <= 9.5.5

References

https://mattermost.com/security-updatesVendor Advisory
https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Jul 3, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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