High severity · published May 14, 2026
CVE-2026-1322
Business Logic Errors in GitLab
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with a read_api scoped OAuth application to create issues and add comments to issues in private projects due to improper authorization.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
16.0 before 18.9.7; 18.10 before 18.10.6; 18.11 before 18.11.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1322
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1322
Release Notes
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
Not Applicable
https://gitlab.com/gitlab-org/gitlab/-/work_items/587270
Permissions Required
https://hackerone.com/reports/3508895
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