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CVE-2026-3855

Improper Control of Resource Identifiers ('Resource Injection') in GitLab

CVSS 3.1 3.1 LOWCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-3855

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-3855

Published

GitLab

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "GitLab",
                    "product": "GitLab",
                    "repo": "git://[email protected]:gitlab-org/gitlab.git",
                    "cpes": [
                        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
                    ],
                    "versions": [
                        {
                            "version": "18.2.7",
                            "status": "affected",
                            "lessThan": "19.1.8",
                            "versionType": "semver"
                        },
                        {
                            "version": "19.2",
                            "status": "affected",
                            "lessThan": "19.2.6",
                            "versionType": "semver"
                        },
                        {
                            "version": "19.3",
                            "status": "affected",
                            "lessThan": "19.3.2",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON