Medium severity · published Sep 29, 2026
CVE-2026-8937
Missing Authorization in GitLab
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to read private child issue contents, including titles and descriptions, from projects they had no access to, due to missing authorization checks on linked work items within visible epics.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
19.0 before 19.2.7; 19.3 before 19.3.3; 19.4 before 19.4.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8937
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8937
gitlab.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/600533
technical-description
https://hackerone.com/reports/3702369
docs.gitlab.com
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/
More from GitLab
10.0
CVE-2026-85706
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab
10.0
CVE-2021-22205
GitLab Community and Enterprise Editions Remote Code Execution Vulnerability
9.8
CVE-2023-7028
Weak Password Recovery Mechanism for Forgotten Password in GitLab
9.8
CVE-2021-22175
GitLab Server-Side Request Forgery (SSRF) Vulnerability
7.5
CVE-2021-39935
GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability