Threats Tagged 'mal-2026-15566'
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Threats Tagged 'mal-2026-15566'
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The flask-header-guard package on PyPI (version 1.0.0) is a malicious package masquerading as Flask security-headers middleware. It executes hostile code during installation and when imported, including exfiltration of sensitive environment variables and system files, establishing persistence via a reverse shell, local privilege escalation, and an unauthenticated remote code execution backdoor in Flask apps. Join the discussion | GCVE Database | 08/29/2026, 11:29:06 UTC Added: 08/29/2026, 15:16:33 UTC |
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