# CVE-2026-3035: Authentication Bypass Using an Alternate Path or Channel in GitLab

> CVE-2026-3035: Authentication Bypass Using an Alternate Path or Channel in GitLab. CVSS 5.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-3035
Last updated: 2026-08-31T15:42:23Z

- Published: 2026-08-26 13:36 UTC · Updated: 2026-08-31 15:42 UTC · Assigner: GitLab
- CVSS: 5.5 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
- EPSS: 0.32%, 24th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-288

## Description

GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with project Maintainer permissions could have accessed the terminal of a protected environment they were not authorized to use due to improper authorization checks.

## 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-2026-3035)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-3035)
- [https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/](https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/591189](https://gitlab.com/gitlab-org/gitlab/-/work_items/591189)
- [https://hackerone.com/reports/3529751](https://hackerone.com/reports/3529751)

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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-2026-3035 · Markdown: https://rewindex.com/cve/CVE-2026-3035.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-3035 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:27.283Z