Vulnerability Details CVE-2026-15423
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 17.8%
CVSS Severity
CVSS v3 Score 8.5
Products affected by CVE-2026-15423
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cpe:2.3:a:gitlab:gitlab:19.0.0
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cpe:2.3:a:gitlab:gitlab:19.0.1
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cpe:2.3:a:gitlab:gitlab:19.0.2
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cpe:2.3:a:gitlab:gitlab:19.0.3
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cpe:2.3:a:gitlab:gitlab:19.0.4
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cpe:2.3:a:gitlab:gitlab:19.0.5
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cpe:2.3:a:gitlab:gitlab:19.1.0
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cpe:2.3:a:gitlab:gitlab:19.1.1
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cpe:2.3:a:gitlab:gitlab:19.1.2
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cpe:2.3:a:gitlab:gitlab:19.1.3
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cpe:2.3:a:gitlab:gitlab:19.2.0
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cpe:2.3:a:gitlab:gitlab:19.2.1