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CVE-2017-18890 Moderate

Mattermost Server allows attackers to create buttons that can launch API requests in github.com/mattermost/mattermost-server

Mattermost Server allows attackers to create buttons that can launch API requests in github.com/mattermost/mattermost-server

Exploit probability 0.8%
Published December 15, 2025
Required by Not available
Last source change March 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

14 explicit affected versions

Go github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server

03 / CONNECTIONS

Connected vulnerabilities

related OPENSUSE-SU-2026:21483-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2017-18890

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows an attacker to create a button that, when pressed by a user, launches an API request.

View original source
Open Source Vulnerabilities GO-2025-4202

Mattermost Server allows attackers to create buttons that can launch API requests in github.com/mattermost/mattermost-server

View original source
Open Source Vulnerabilities GHSA-m497-hq5x-6jcv

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows an attacker to create a button that, when pressed by a user, launches an API request.

View original source

05 / REFERENCES

Further evidence