MAL-2026-3314

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/update-browserslist/MAL-2026-3314.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-3314
Published
2026-05-01T15:01:09Z
Modified
2026-05-12T07:48:15.976076Z
Summary
Malicious code in update-browserslist (npm)
Details

-= Per source details. Do not edit below this line.=-

Source: amazon-inspector (8c4a878cc9c9ebf1f260c89d735fe37a0a802bdb61300bc93f018d2e3a8af520)

The package update-browserslist was found to contain malicious code.

Source: ossf-package-analysis (e29d806736ad7afce9367b004ad5ab1dbbde834ae2d51ae79b26d1f27f91ff7f)

The OpenSSF Package Analysis project identified 'update-browserslist' @ 99.1.1 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.
Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-05-04T03:13:20.442230137Z",
            "sha256": "e29d806736ad7afce9367b004ad5ab1dbbde834ae2d51ae79b26d1f27f91ff7f",
            "source": "ossf-package-analysis",
            "modified_time": "2026-05-01T15:01:09Z",
            "versions": [
                "99.1.1"
            ]
        },
        {
            "import_time": "2026-05-12T07:28:51.200690496Z",
            "sha256": "8c4a878cc9c9ebf1f260c89d735fe37a0a802bdb61300bc93f018d2e3a8af520",
            "source": "amazon-inspector",
            "modified_time": "2026-05-12T06:53:21Z",
            "versions": [
                "99.1.1"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / update-browserslist

Package

Name
update-browserslist
View open source insights on deps.dev
Purl
pkg:npm/update-browserslist

Affected ranges

Affected versions

99.*
99.1.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/update-browserslist/MAL-2026-3314.json"