CVE-2025-41423: Unauthorized Playbooks Post Deletion in Mattermost Playbooks Plugin

Published Apr 24, 2025
·
Updated

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.

Affected Software

10 affected componentsFixes available
Mattermost Mattermost<=10.4.2, <=10.5.0, <=9.11.10
go/github.com/mattermost/mattermost/server/v8>=9.11.0<9.11.11
go/github.com/mattermost/mattermost/server/v8>=10.5.0<10.5.1
go/github.com/mattermost/mattermost/server/v8>=10.4.0<10.4.3
go/github.com/mattermost/mattermost/server/v8<8.0.0-20250218121836-2b5275d87136
8.0.0-20250218121836-2b5275d87136
go/github.com/mattermost/mattermost-plugin-playbooks<1.41.0
1.41.0
go/github.com/mattermost/mattermost-plugin-playbooks>=2.0.0<2.1.1
Mattermost Mattermost Server>=9.11.0<9.11.11
Mattermost Mattermost Server>=10.4.0<10.4.3
Mattermost Mattermost Server=10.5.0

Remediation

Information

Update Mattermost to versions 10.6.0, 10.4.3, 10.5.1, 9.11.11 or higher. Alternatively, update the Mattermost Playbooks plugin to version 2.1.1 or higher.

Event History

Apr 24, 2025
CVE Published
via MITRE·06:50 AM
Data Sourced
via MITRE·06:50 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 AM
Affected Software
Advisory Published
via GitHub·09:30 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-41423?

CVE-2025-41423 is a high-severity vulnerability that allows unauthorized deletion of posts by exploiting improper permission validation.

2

How do I fix CVE-2025-41423?

To fix CVE-2025-41423, upgrade Mattermost to the latest version that addresses the permission validation issue.

3

Which versions are affected by CVE-2025-41423?

CVE-2025-41423 affects Mattermost versions 10.4.x up to 10.4.2, 10.5.x up to 10.5.0, and 9.11.x up to 9.11.10.

4

What are the impacts of exploiting CVE-2025-41423?

Exploiting CVE-2025-41423 can allow an attacker to delete posts containing actions created by the Playbooks bot, compromising data integrity.

5

Is there a workaround for CVE-2025-41423?

There are no official workarounds for CVE-2025-41423; updating to a secure version is the recommended action.

Company

Resources

Contact

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