Jenkins GitLab Authentication Plugin 1.13 and earlier stores the GitLab client secret unencrypted in the global config.xml file on the Jenkins controller where it can be viewed by users with access to the Jenkins controller file system.
https://www.jenkins.io/security/advisory/2022-03-15/#SECURITY-1891
Source: MITRE
Published: 2022-03-15
Updated: 2022-10-17
Type: CWE-522
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM