CVE-2026-5377

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Source
https://cve.org/CVERecord?id=CVE-2026-5377
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5377.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-5377
Aliases
Published
2026-04-22T16:04:31Z
Modified
2026-08-27T11:31:16Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Incorrect Authorization in GitLab
Details

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.1 that could have allowed an authenticated user to access titles of confidential or private issues in public projects due to improper access control in the issue description rendering process.

Database specific 
{
    "cna_assigner": "GitLab",
    "cwe_ids": [
        "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5377.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "18.11"
                },
                {
                    "fixed": "18.11.1"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "18.11"
                },
                {
                    "fixed": "18.11.1"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
1060c7b0ff78be7c8abe8fd6d23dcb1ca493fd78
Last Affected
1060c7b0ff78be7c8abe8fd6d23dcb1ca493fd78
Database specific
Show details 
{
    "cpe": [
        "cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:community:*:*:*",
        "cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:enterprise:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "18.11.0"
        },
        {
            "last_affected": "18.11.0"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

18.*
18.11.0
v18.*
v18.11.0-ee

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5377.json"