Malicious code in flask-header-guard (PyPI)

Source: kam193 d050fa5a7000088c15b40b82ace014d66f18520ff36464659c8ad6e999ee83cb During installation, the package attempts to exfiltrate sensitive environment variables and files, establish persistence and open a reverse shell. Additionally, the provided Flask middleware embeds a backdoor. ---...

Malicious Package

Overview flask-header-guard is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

Malicious code in flask-header-guard (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e5e0cbaefa0fcface340b03a236573ed70df9b4d7773715321df057a9862e3f8 The package is presented as Flask security-headers middleware but ships a hostile payload wired to fire at install time and again whenever the librar...

MAL-2026-15566 Malicious code in flask-header-guard (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e5e0cbaefa0fcface340b03a236573ed70df9b4d7773715321df057a9862e3f8 The package is presented as Flask security-headers middleware but ships a hostile payload wired to fire at install time and again whenever the librar...