Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
Published: 2026-09-16
Score: 3.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized file access and potential denial of service
Action: Immediate Patch
AI Analysis

Impact

The vulnerability is a resource injection flaw in GitLab's Terraform state upload functionality. It arises from improper validation of parameters that can be supplied in uploaded state files. This flaw could allow an authenticated user with project-level permissions to read restricted file contents on the GitLab server or trigger a denial‑of‑service condition by sending specially crafted input. The weakness corresponds to CWE‑99, which covers improper resource handling that can lead to unauthorized access or denial of availability.

Affected Systems

The issue affects GitLab Community Edition and Enterprise Edition installations whose versions fall within the following ranges: 18.2.7 up to but not including 19.1.8, 19.2.x up to but not including 19.2.6, and 19.3.x up to but not including 19.3.2. These versions are marked as vulnerable until the indicated patch releases. The remediation is to upgrade to at least GitLab 19.1.8, 19.2.6, or 19.3.2, respectively.

Risk and Exploitability

The CVSS base score is 3.1, reflecting a low‑severity problem. The EPSS score is below 1 %, which suggests a very low probability of exploitation at present. The vulnerability is not yet listed in the CISA Known Exploited Vulnerabilities catalog. Exploitation requires an authenticated user with project-level access; an attacker would need to supply a malicious Terraform state file via the upload endpoint. Given the low CVSS score, low EPSS, and lack of publicly known exploits, the overall risk is moderate but not negligible for environments with many project-level users who can upload Terraform state files.

Generated by OpenCVE AI on September 16, 2026 at 15:23 UTC.

Remediation

Vendor Solution

Upgrade to versions 19.1.8, 19.2.6, 19.3.2 or above.


OpenCVE Recommended Actions

  • Upgrade GitLab to at least 19.1.8, 19.2.6, or 19.3.2 depending on the current version.
  • If an immediate upgrade is not possible, restrict or remove the ability for project‑level users to upload Terraform state files.
  • Disable the Terraform state upload feature entirely if it is not required for your workflow.

Generated by OpenCVE AI on September 16, 2026 at 15:23 UTC.

Tracking

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Advisories

No advisories yet.

History

Wed, 16 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 16 Sep 2026 06:45:00 +0000

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
Title Improper Control of Resource Identifiers ('Resource Injection') in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-99
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-09-16T15:46:06.041Z

Reserved: 2026-03-09T20:33:25.802Z

Link: CVE-2026-3855

cve-icon Vulnrichment

Updated: 2026-09-16T15:45:58.199Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-16T07:16:36.950

Modified: 2026-09-16T19:23:34.623

Link: CVE-2026-3855

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-16T15:30:11Z

Weaknesses
  • CWE-99

    Improper Control of Resource Identifiers ('Resource Injection')