MAL-2026-16264: Malicious package report
Malicious code in aiosendletter (PyPI)
Published .
Updated .
Reported affected releases: 0.2.0, 3.7, 3.8, 3.9, 4.0, 4.1, 4.3, 4.5, 4.6.
aiosendletter (PyPI)
Known vulnerabilities and malicious package reports for aiosendletter on PyPI, live from OSV, with CISA KEV exploitation status and EPSS scores.
Known package reports
1 malicious package report and 0 vulnerabilities returned by OSV. Check a specific version to see which reports apply.
If you installed a reported malicious release, remove it and rotate the credentials that machine could access. Upgrading does not undo code that already ran.
Source: OSV, including OpenSSF malicious-package reports and GitHub advisories. No known report is not proof a package is safe.