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CVE-2017-18905 Moderate

Mattermost Server has Insufficient Session Expiration when used as an OAuth 2.0 service provider in github.com/mattermost/mattermost-server

Mattermost Server has Insufficient Session Expiration when used as an OAuth 2.0 service provider in github.com/mattermost/mattermost-server

Exploit probability 0.8%
Published January 13, 2026
Required by Not available
Last source change March 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

7 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-2017-18905

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when used as an OAuth 2.0 service provider, Session invalidation was mishandled.

View original source
Open Source Vulnerabilities GO-2026-4306

Mattermost Server has Insufficient Session Expiration when used as an OAuth 2.0 service provider in github.com/mattermost/mattermost-server

View original source
Open Source Vulnerabilities GHSA-g24c-fx4v-xg9w

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when used as an OAuth 2.0 service provider, Session invalidation was mishandled.

View original source

05 / REFERENCES

Further evidence