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Solution
This issue presents a serious risk to all versions of Jacamar CI prior to v0.30.0 when used with GitLab Server v13.11 or later, or with v13.10 when the `allow_projects_to_create_service_accounts` feature flag enabled. If you are unable to immediately upgrade to the latest release, you can mitigate the risk by restricting the allowed accounts or groups in the configuration, or by using the RunAs validation script to check for bot accounts. Please see the release notes for a complete example.
Workaround
No workaround given by the vendor.
Thu, 08 Oct 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Insufficient job validation for service accounts in Jacamar CI prior to v0.30.0 allows authenticated CI users to generate arbitrary account names. | |
| Title | Authentication Bypass by Spoofing in Jacamar CI | |
| Weaknesses | CWE-290 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitLab
Published:
Updated: 2026-10-08T19:14:14.226Z
Reserved: 2026-10-08T11:33:21.365Z
Link: CVE-2026-107589
No data.
Status : Deferred
Published: 2026-10-08T15:17:45.153
Modified: 2026-10-08T21:02:43.860
Link: CVE-2026-107589
No data.
OpenCVE Enrichment
Updated: 2026-10-08T18:00:18Z