mal-2026-1040
Vulnerability from ossf_malicious_packages
Published
2026-02-23 22:01
Modified
2026-03-04 00:15
Summary
Malicious code in react-markdown-canvas (npm)
Details
Malicious package due to data exfiltration via Discord webhook on install. Collects IP, hostname, and date without consent.
-= Per source details. Do not edit below this line.=-
Source: amazon-inspector (4123db6526d8c37f99fa33e2524edc97922efef6b1605dc0a8acdbf41e76cc77)
The package react-markdown-canvas was found to contain malicious code.
Source: ossf-package-analysis (833c2865c0a6f984f9af493aa02b5ec03e8a63f037c298a46ae54bb1d88d3a1a)
The OpenSSF Package Analysis project identified 'react-markdown-canvas' @ 1001.0.0 (npm) as malicious.
It is considered malicious because:
- The package communicates with a domain associated with malicious activity.
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "react-markdown-canvas"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "SEMVER"
}
],
"versions": [
"1001.0.0",
"1005.0.0"
]
}
],
"credits": [
{
"contact": [
"actran@amazon.com"
],
"name": "Amazon Inspector",
"type": "FINDER"
},
{
"contact": [
"https://github.com/ossf/package-analysis",
"https://openssf.slack.com/channels/package_analysis"
],
"name": "OpenSSF: Package Analysis",
"type": "FINDER"
},
{
"contact": [
"https://safedep.io"
],
"name": "SafeDep",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"import_time": "2026-02-26T01:37:59.158937835Z",
"modified_time": "2026-02-23T22:01:02Z",
"sha256": "833c2865c0a6f984f9af493aa02b5ec03e8a63f037c298a46ae54bb1d88d3a1a",
"source": "ossf-package-analysis",
"versions": [
"1001.0.0"
]
},
{
"import_time": "2026-02-26T01:37:59.331038983Z",
"modified_time": "2026-02-23T22:11:01Z",
"sha256": "eebf5582865e2a81a8d7e00e967725e011a5317109ff891b5b281df547349c63",
"source": "ossf-package-analysis",
"versions": [
"1005.0.0"
]
},
{
"import_time": "2026-03-01T20:41:57.339201726Z",
"modified_time": "2026-03-01T20:25:57Z",
"sha256": "4123db6526d8c37f99fa33e2524edc97922efef6b1605dc0a8acdbf41e76cc77",
"source": "amazon-inspector",
"versions": [
"1001.0.0",
"1005.0.0"
]
}
]
},
"details": "Malicious package due to data exfiltration via Discord webhook on install. Collects IP, hostname, and date without consent.\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (4123db6526d8c37f99fa33e2524edc97922efef6b1605dc0a8acdbf41e76cc77)\nThe package react-markdown-canvas was found to contain malicious code.\n\n## Source: ossf-package-analysis (833c2865c0a6f984f9af493aa02b5ec03e8a63f037c298a46ae54bb1d88d3a1a)\nThe OpenSSF Package Analysis project identified \u0027react-markdown-canvas\u0027 @ 1001.0.0 (npm) as malicious.\n\nIt is considered malicious because:\n\n- The package communicates with a domain associated with malicious activity.\n",
"id": "MAL-2026-1040",
"modified": "2026-03-04T00:15:19Z",
"published": "2026-02-23T22:01:02Z",
"references": [
{
"type": "REPORT",
"url": "https://app.safedep.io/community/malysis/01KJ69FH2YT5GPF37JYK3T87DN"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in react-markdown-canvas (npm)"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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