GCVE-110-OSM-2026-4129

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published May 11, 2026

[osmalyze-auto] Suspected dependency confusion attack. Behaviors: data exfiltration, code execution. [osmalyze-auto] Exfil: https://pub-b63e77578ffe42519de7d1771935f8b0.r2.dev/Edge.zip (custom-c2, recovery: plaintext in cas/base/tro.py) Payload: cas/base/tro.py Secondary files: cas/utils/gzip_crypto.py, cas/utils/rsa_crypto.py Key findings: - Shell Command Execution in cas/base/tro.py: "subprocess.run(" - Silent Process Execution in cas/base/tro.py: "stdout=subprocess.DEVNULL" - Data Encoding for Exfiltration in cas/utils/gzip_crypto.py: "base64.b64encode(" - Data Encoding for Exfiltration in cas/utils/rsa_crypto.py: "base64.b64encode(" - Brand New Package IOCs: - ipv4: 143.0.0.0 - urls: https://pub-b63e77578ffe42519de7d1771935f8b0.r2.dev/Edge.zip, https://pub-b63e77578ffe42519de7d1771935f8b0.r2.dev/Ddrat.zip, https://docs.pydantic.dev/dev-v2/usage/types/datetime/, https://{self.account_id, https://cloud.tencent.com/developer/article/1099008 - domains: pub-b63e77578ffe42519de7d1771935f8b0.r2.dev, docs.pydantic.dev, r2.cloudflarestorage.com, cloud.tencent.com - payloadFileHash: 6e4bdae76d57780c7b22cfd3f6d20fbea63ca28d934c3fd665ed096df4abbbcf

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown	xxoo-bale	all (affected)	—

References

Malicious pypi package: xxoo-bale

advisory

vendor

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