CVE-2026-47428

Source
https://cve.org/CVERecord?id=CVE-2026-47428
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47428.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-47428
Aliases
Downstream
CLSA (11)
MINI (2)
RHSA (1)
Published
2026-07-14T19:30:19Z
Modified
2026-10-21T02:58:15Z
Severity
  • 9.6 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H CVSS Calculator
Summary
Vitest browser mode serves unsanitized otelCarrier query parameter as inline script
Details

Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /vitest_test/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest server origin and recover VITEST_API_TOKEN for authenticated API calls. This issue is fixed in versions 4.1.6 and 5.0.0-beta.3.

Database specific
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-79"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47428.json"
}
References

Affected packages

Git / github.com/vitest-dev/vitest

Affected ranges

Type
GIT
Repo
https://github.com/vitest-dev/vitest
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "4.0.17"
                },
                {
                    "fixed":  "4.1.6"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "introduced":  "5.0.0-beta.0"
                },
                {
                    "fixed":  "5.0.0-beta.3"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "fixed":  "18af98cee1830604d57f6a02bf28f8067cdffc06"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "range":  [
                {
                    "fixed":  "3514f9fa135c90e1c35754fc4d27c9cf351faafa"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "v4.1.6",
            "range":  [
                {
                    "fixed":  "a8fd24c1cad2320b19fcc651413c7d928423bdc1"
                }
            ],
            "source":  "REFERENCES_TAG"
        },
        {
            "original_tag":  "v5.0.0-beta.3",
            "range":  [
                {
                    "fixed":  "0f274d0d645e874952d13ec27c4a9f6ff6aa57a1"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

v4.*
v4.0.17
v4.1.0
v4.1.0-beta.1
v4.1.0-beta.2
v4.1.0-beta.3
v4.1.0-beta.4
v4.1.0-beta.5
v4.1.0-beta.6
v4.1.1
v4.1.2
v4.1.3
v4.1.4
v4.1.5
v5.*
v5.0.0-beta.1
v5.0.0-beta.2

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47428.json"