# CVE-2026-1747: Authentication Bypass Using an Alternate Path or Channel in GitLab

> CVE-2026-1747: Authentication Bypass Using an Alternate Path or Channel in GitLab. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-1747
Last updated: 2026-06-17T10:16:26Z

- Published: 2026-02-25 20:04 UTC · Updated: 2026-06-17 10:16 UTC · Assigner: GitLab
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- EPSS: 0.27%, 19th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-288

## Description

GitLab has remediated an issue in GitLab EE affecting all versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that, under certain conditions, could have allowed Developer-role users with insufficient privileges to make unauthorized modifications to protected Conan packages.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-1747)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-1747)
- [https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/](https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/issues/588385](https://gitlab.com/gitlab-org/gitlab/-/issues/588385)
- [https://hackerone.com/reports/3533088](https://hackerone.com/reports/3533088)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-1747 · Markdown: https://rewindex.com/cve/CVE-2026-1747.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-1747 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:50:54.873Z