CVE-2026-0752

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Source
https://cve.org/CVERecord?id=CVE-2026-0752
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0752.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-0752
Aliases
Downstream
Published
2026-02-25T20:05:19.818Z
Modified
2026-03-02T09:41:18.430515Z
Severity
  • 8.0 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/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 CE/EE affecting all versions from 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the Mermaid sandbox UI.

Database specific 
{
    "cwe_ids": [
        "CWE-79"
    ],
    "cna_assigner": "GitLab",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0752.json"
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
3adc0fe6e7c163bedd7faa5f0c4d1e5fbb6bf3c5
Fixed
f70152f12046139e8d5b1652c185af8af63ebca3
Database specific 
{
    "versions": [
        {
            "introduced": "16.2"
        },
        {
            "fixed": "18.7.5"
        }
    ]
}
Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
1010a9b2b769993080ce8399fd25e77c54e1ad1c
Fixed
a28bcd8f433ae9da128464ded4f904d9a3bd89fe
Database specific 
{
    "versions": [
        {
            "introduced": "18.8"
        },
        {
            "fixed": "18.8.5"
        }
    ]
}
Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
20fe49b575fedd2b8cadc2c0640178879854aeb3
Fixed
91256b9c8dc94308d8be9557b4eb041933a7fffa
Database specific 
{
    "versions": [
        {
            "introduced": "18.9"
        },
        {
            "fixed": "18.9.1"
        }
    ]
}

Affected versions

v18.*
v18.8.0-ee
v18.8.1-ee
v18.8.2-ee
v18.8.3-ee
v18.8.4-ee
v18.9.0-ee

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0752.json"