CVE-2026-12436
Received
Received - Intake
Authenticated CI/CD Configuration Modification in GitLab CE/EE
Vulnerability report for CVE-2026-12436, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-07-29
Last updated on: 2026-07-30
Assigner: GitLab Inc.
Description
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gitlab | gitlab_ce | From 18.0 (inc) to 19.0.5 (exc) |
| gitlab | gitlab_ee | From 18.0 (inc) to 19.0.5 (exc) |
| gitlab | gitlab_ce | From 19.1.0 (inc) to 19.1.3 (exc) |
| gitlab | gitlab_ee | From 19.1.0 (inc) to 19.1.3 (exc) |
| gitlab | gitlab_ce | From 19.2.0 (inc) to 19.2.1 (exc) |
| gitlab | gitlab_ee | From 19.2.0 (inc) to 19.2.1 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-915 | The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified. |
