High severity8.5NVD Advisory· Published Aug 25, 2026· Updated Aug 25, 2026
CVE-2026-55526
CVE-2026-55526
Description
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, spider_tools._host_is_blocked() does not resolve ordinary hostnames before scrape_page fetches them. A hostname such as 127.0.0.1.nip.io passes validation and resolves to loopback, permitting internal HTTP access. The fix uses socket.getaddrinfo and fails closed on DNS errors. This issue is fixed in version 1.6.58.
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Affected products
1Patches
Vulnerability mechanics
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