CVE-2026-6896

Source
https://cve.org/CVERecord?id=CVE-2026-6896
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6896.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-6896
Aliases
Downstream
Published
2026-07-08T20:46:38.858Z
Modified
2026-08-17T03:36:18.722674676Z
Severity
  • 8.7 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N CVSS Calculator
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Details

GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

Database specific
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "13.11"
                },
                {
                    "fixed": "18.11.7"
                },
                {
                    "introduced": "19.0"
                },
                {
                    "fixed": "19.0.4"
                },
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.2"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "13.11"
                },
                {
                    "fixed": "18.11.7"
                },
                {
                    "introduced": "19.0"
                },
                {
                    "fixed": "19.0.4"
                },
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.2"
                }
            ],
            "source": "DESCRIPTION"
        }
    ],
    "cna_assigner": "GitLab",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6896.json",
    "cwe_ids": [
        "CWE-79"
    ]
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "introduced": "13.11.0"
        },
        {
            "fixed": "18.11.7"
        },
        {
            "introduced": "19.0.0"
        },
        {
            "fixed": "19.0.4"
        },
        {
            "introduced": "19.1.0"
        },
        {
            "fixed": "19.1.2"
        }
    ],
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
}

Affected versions

v19.*
v19.0.0-ee
v19.1.0-ee

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6896.json"