VDB
GCVE-110-OSM-2026-7072
GCVE-110-OSM-2026-7072
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, code execution, install-time execution.
ENTRY
postinstall.js (install-hook: node postinstall.js)
- Install Hook Executes Local JS File in package.json
- Postinstall Script in package.json
DESTINATION
- custom-c2: http://{target (primary, plaintext) in publish-and-arm.sh
- custom-c2: 154.57.164.76 (plaintext) in postinstall.js
- webhookServices: https://webhook.site/755defab-ea42-4c1f-9804-43ec567439f5 (exfil, plaintext)
EXFIL
- OAST/Interactsh Exfiltration in postinstall.js: "webhook.site"
- Data Encoding for Exfiltration in postinstall.js: "Buffer.from(data.cwd).toString("base64")"
- Data Encoding for Exfiltration in publish-and-arm.sh: "json.dumps({"manifest": manifest}).encode"
- Network Request in postinstall.js: "http.request("
- System Information Collection in postinstall.js: "os.hostname()"
- Network Request in publish-and-arm.sh: "Request( f"http:"
ADDITIONAL FINDINGS
- Shell Command Execution in postinstall.js: "require("child_process")"
- Platform Detection with Data Collection in postinstall.js: "JSON.stringify({ manifest }); const req = http.request( { hostname: targetHos"
PAYLOAD FILES
postinstall.js
INDICATORS (IOCs)
- payloadFileHash: 9ca7a71fe48ba9a34e4e71ee46a5e39d0b189a1cf9e3406e7b2d4b7e9888ca19
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 | ecto-corsair-flag-7kq3mz | all (affected) | — |
Aliases
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