VDB
GCVE-110-OSM-2026-3068
GCVE-110-OSM-2026-3068
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, network activity, obfuscated code, install-time execution.
Payload: annotator.html
Secondary files: dist/index.js
Key findings:
- Corporate Environment Targeting in annotator.html: "tMode&&(JNe.indexOf(e)!==-1||eOe.test"
- Dynamic Code Execution in annotator.html: "exec(t)"
- XOR-Encoded String Arrays in annotator.html: "var r=[0,0,1,0,1,1,0,0,1,1,0,1]"
- Data Encoding for Exfiltration in annotator.html: "btoa("
- Dynamic C2 Endpoint Construction in annotator.html: "function wx(t,e){return t==null||e==null?NaN:t<e?-1:t>e?1:t>=e?0:NaN}function S2..."
IOCs:
- ipv4: 138.112.25.25
- ipv6: fe80::, fc00::
- urls: https://react.dev/errors/, https://konradmichalik.github.io/md-annotator/install.sh, http://engelschall.com, https://jquery.org/license/, https://tldrlegal.com/license/mit-license (+19 more)
- domains: react.dev, g0.re, f.group, n.group, yaml.org (+18 more)
- payloadFileHash: 48e0ab3187ddcb19f9e0340736bc588a2d4bb25c33f732d62545e4a6bed359ca
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
9.6/10
Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | md-annotator-opencode | 0.12.0 (affected) | — |
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