---
title: "CVE-2026-89078: GitLab - Remote Code Execution"
description: "GitLab CE/EE >= 19.2 and < 19.2.7, >= 19.3 and < 19.3.3, >= 19.4 and < 19.4.1 contains a remote code execution caused by a double free issue in regex parsing in CI/CD configuration, letting authenticated users execute arbitrary code on the server."
url: https://panop.io/threat-heartbeat/CVE-2026-89078/
---

# CVE-2026-89078 GitLab - Remote Code Execution

GitLab CE/EE >= 19.2 and < 19.2.7, >= 19.3 and < 19.3.3, >= 19.4 and < 19.4.1 contains a remote code execution caused by a double free issue in regex parsing in CI/CD configuration, letting authenticated users execute arbitrary code on the server.

CVSS base score 9.9 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.44% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89078)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Published

24 September 2026

Updated

15 October 2026

Weakness

[CWE-415](https://cwe.mitre.org/data/definitions/415.html)

## Vendor fix

Update to GitLab CE/EE 19.2.7, 19.3.3, 19.4.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89078](https://nvd.nist.gov/vuln/detail/CVE-2026-89078)
- [https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/](https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/628577](https://gitlab.com/gitlab-org/gitlab/-/work_items/628577)
- [https://hackerone.com/reports/4019059](https://hackerone.com/reports/4019059)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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