VDB
GCVE-110-OSM-2026-5725
GCVE-110-OSM-2026-5725
Advisory PublishedCVSS 5.4/10
Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, network activity, install-time execution.
Entrypoint: postinstall.js (install-hook: node postinstall.js)
Exfil: wybqtvzmfhssbvhokfgbvgaalpfg1vneq.oast.fun (custom-c2, recovery: plaintext in postinstall.js)
Payload: postinstall.js
Key findings:
- OAST/Interactsh Exfiltration in postinstall.js: ".oast.fun"
- Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js""
- System Information Exfiltration in postinstall.js: "os.hostname(),
u: os.userInfo().username,
p: cwd,
tree: tree(cwd, 0)..."
- Publisher Has Other Malicious Packages
IOCs:
- domains: wybqtvzmfhssbvhokfgbvgaalpfg1vneq.oast.fun
- payloadFileHash: 85d8ccbea0336fc399ba5cb07064cc559680704290051c5216bd9d64f3108563
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
5.4/10
Medium · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | @coze-common/chat-area | all (affected) | — |
Aliases
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