Malicious code in 1923tsl1 (PyPI)
Malicious code was discovered in the 1923tsl1 package on PyPI. The package was identified and cataloged by the OpenSSF malicious-packages project.
- Disclosed
- Last updated
- Blast radius
- Unknown scope; package name suggests limited adoption
- Ecosystems
- Attack vectors
- Affected entities
- 1923tsl1PyPI package
The 1923tsl1 package on PyPI was found to contain malicious code. This incident was identified and documented by the OpenSSF's malicious-packages project, which maintains a catalog of known malicious packages across package ecosystems.\n\nThe package was assigned identifier MAL-2024-4723 in the OpenSSF malicious-packages database. The advisory was published on GitHub on 2026-07-21 as GHSA-227q-jw4j-5w2j.\n\nUsers who installed this package should remove it immediately and audit their systems for any suspicious activity.
Indicators of compromise
- Packages
- 1923tsl1
Remediation
- Remove the 1923tsl1 package from all affected systems
- Audit systems for any malicious activity or data exfiltration
- Review package dependencies to ensure no other malicious packages are installed
- Monitor for any unauthorized access or changes to systems that had this package installed
Sources
- GitHub Advisory GHSA-227q-jw4j-5w2j · GitHub Advisory Database
Cite this entry
"Malicious code in 1923tsl1 (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-1923tsl1-pypi-1jdhsh
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