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.
Metrics
Affected Vendors & Products
References
History
Mon, 02 Nov 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Race Condition Leading to Unauthenticated Administrator Creation in Jenkins |
Mon, 02 Nov 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Race Condition Allows Unauthenticated Administrator Account Creation in Jenkins | |
| Weaknesses | CWE-409 |
Mon, 02 Nov 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-362 | |
| CPEs | cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* |
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| Metrics |
cvssV3_1
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Wed, 28 Oct 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Race Condition Allows Unauthenticated Administrator Account Creation in Jenkins | |
| Weaknesses | CWE-409 |
Wed, 28 Oct 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Jenkins
Jenkins jenkins Jenkins Project Jenkins Project jenkins |
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| Vendors & Products |
Jenkins
Jenkins jenkins Jenkins Project Jenkins Project jenkins |
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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Status: PUBLISHED
Assigner: jenkins
Published: 2026-10-28T16:48:32.556Z
Updated: 2026-10-28T16:48:32.556Z
Reserved: 2026-10-27T13:10:56.914Z
Link: CVE-2026-117618
No data.
Status : Analyzed
Published: 2026-10-28T17:18:21.133
Modified: 2026-11-02T15:02:42.607
Link: CVE-2026-117618
No data.