CVE-2026-15423: high-severity vulnerability in GitLab
Incorrect Authorization in GitLab
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.5epss 0.4%
exploitation probability
0.4%top 68% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Affected products
GitLab · GitLabpublic PoCs found — 1
cve_referencehackerone.com/reports/3832069unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — GitLab
In the same product, most dangerous first.
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