CVE-2019-10114

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-05-16 · updated 2026-06-17
Weakness: CWE-203

Description

An Information Exposure issue (issue 2 of 2) was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. During the OAuth authentication process, the application attempts to validate a parameter in an insecure way, potentially exposing data.

Affected products

GitLab: before 11.7.8; from 11.8.0 before 11.8.4; from 11.9.0 before 11.9.2 — fixed in 11.7.8, 11.8.4, 11.9.2

How to fix

Upgrade to a fixed version: GitLab 11.7.8, 11.8.4, 11.9.2. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/2019/04/01/security-release-gitlab-11-dot-9-dot-4-released/
https://about.gitlab.com/blog/categories/releases/
https://gitlab.com/gitlab-org/gitlab-ee/issues/9729
https://about.gitlab.com/2019/04/01/security-release-gitlab-11-dot-9-dot-4-released/
https://about.gitlab.com/blog/categories/releases/
https://gitlab.com/gitlab-org/gitlab-ee/issues/9729

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