In Jenkins 2.587 and earlier, LTS 2.580.1 and earlier, the HTTP endpoint for creating the first user account does not check whether the setup wizard has been completed, resulting in a race condition that allows unauthenticated attackers to create an administrator account while the initial user account is being replaced.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jenkins Project | Jenkins | affected |
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Project Subscriptions
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Advisories
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Fixes
Solution
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Workaround
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References
History
Wed, 28 Oct 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In Jenkins 2.587 and earlier, LTS 2.580.1 and earlier, the HTTP endpoint for creating the first user account does not check whether the setup wizard has been completed, resulting in a race condition that allows unauthenticated attackers to create an administrator account while the initial user account is being replaced. | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: jenkins
Published:
Updated: 2026-10-28T16:48:32.556Z
Reserved: 2026-10-27T13:10:56.914Z
Link: CVE-2026-117618
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-28T17:18:21.133
Modified: 2026-10-28T17:18:21.133
Link: CVE-2026-117618
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.