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CVE-2017-18916 Moderate

Mattermost Server has Improper Authorization for Integration Requests in github.com/mattermost/mattermost-server

Mattermost Server has Improper Authorization for Integration Requests in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost-server before v3.6.7-0.20170420152529-0968e4079e0a.

Exploit probability 0.8%
Published February 17, 2026
Required by Not available
Last source change February 19, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

17 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-2017-18916

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. API endpoint access control does not honor an integration permission restriction.

View original source
Open Source Vulnerabilities GHSA-x33g-375j-jhf7

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. API endpoint access control does not honor an integration permission restriction.

View original source
Open Source Vulnerabilities GO-2026-4467

Mattermost Server has Improper Authorization for Integration Requests in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost-server before v3.6.7-0.20170420152529-0968e4079e0a.

View original source

05 / REFERENCES

Further evidence