GCVE-110-OSM-2026-4280

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published May 12, 2026

[osmalyze-auto] Malicious package detected. Behaviors: data exfiltration, code execution, network activity. [osmalyze-auto] Entrypoint: src/koi/main.py (console-script: koi=koi.main:main) Exfil: http://{local_ip (custom-c2, recovery: plaintext in src/koi/utils/powerupgrade.py) Payload: src/koi/utils/payloads.py Secondary files: src/koi/utils/bash_obfuscate.py Key findings: - Reverse Shell in src/koi/utils/bash_obfuscate.py: "pty.spawn(" - Reverse Shell in src/koi/utils/payloads.py: "/bin/bash -i" - Shell Command Variable Setup in src/koi/listener.py: "windows_ps|windows_cmd>')}") else: try: ..." - Dynamic Code Execution in src/koi/modules/blueprint.py: "exec(cmd)" - Shell Command Variable Setup in src/koi/modules/download.py: "windows_ps": self.sendline(ps_cmd) else: ..." IOCs: - urls: http://{local_ip - payloadFileHash: 028d2a36b3fd28a8a03f6bc7081201c0af8c0441c096696ff6926a906d818386

Download JSON Open in Console

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	koi-handler	0.8.3 (affected)	—

References

Malicious pypi package: koi-handler

advisory

vendor

Browse GCVE Records

73,393 records in the GCVE database · Updated July 17, 2026

No matching records found.

Explore Further

Investigate this vulnerability in the interactive console or download the raw GCVE record.

Open in Console Download JSON