MAL-2026-2633

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/markdownlint-rule-link-pattern/MAL-2026-2633.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-2633
Aliases
  • GHSA-q3xp-j858-q9xf
Published
2026-04-13T06:13:12Z
Modified
2026-04-23T21:16:26.069534Z
Summary
Malicious code in markdownlint-rule-link-pattern (npm)
Details

Malicious package due to data exfiltration via preinstall, test and preupdate scripts using wget to send user, path, and hostname to a remote server.

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

Source: amazon-inspector (2c5ffad19a9d8a62d1ee2a266767e609ffeba74597b50248d751b28cdffae844)

The package markdownlint-rule-link-pattern was found to contain malicious code.

Source: ghsa-malware (b29e059ae96dd2d806ee28cddc7b1d0e5fa5b58708dc895f9f5bdb34cf300838)

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Database specific 
{
    "malicious-packages-origins": [
        {
            "source": "ghsa-malware",
            "modified_time": "2026-04-14T11:37:00Z",
            "id": "GHSA-q3xp-j858-q9xf",
            "import_time": "2026-04-14T11:38:18.831253464Z",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "sha256": "b29e059ae96dd2d806ee28cddc7b1d0e5fa5b58708dc895f9f5bdb34cf300838"
        },
        {
            "source": "amazon-inspector",
            "modified_time": "2026-04-23T20:43:56Z",
            "import_time": "2026-04-23T20:49:09.148210728Z",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "sha256": "2c5ffad19a9d8a62d1ee2a266767e609ffeba74597b50248d751b28cdffae844"
        }
    ]
}
References
Credits

Affected packages

npm / markdownlint-rule-link-pattern

Package

Name
markdownlint-rule-link-pattern
View open source insights on deps.dev
Purl
pkg:npm/markdownlint-rule-link-pattern

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/markdownlint-rule-link-pattern/MAL-2026-2633.json"
cwes 
[
    {
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506"
    }
]