Medium severity · published Oct 21, 2026
CVE-2026-112378
Use of Less Trusted Source in GitLab
New
4.3
CVSS
0.1%
EPSS
No
On KEV
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated user to access paid AI features without a valid subscription due to insufficient server-side validation in billing eligibility checks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
17.8 before 19.3.6; 19.4 before 19.4.3; 19.5 before 19.5.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-112378
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-112378
docs.gitlab.com
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/
gitlab.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/634027
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