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CVE-2026-55526
Published:August 25, 2026
Updated:September 24, 2026
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.
Affected Packages
https://github.com/MervinPraison/PraisonAI.git (GITHUB):
Affected version(s) >=v2.2.99 <v4.6.58
Fix Suggestion:
Update to version v4.6.58
praisonaiagents (PYTHON):
Affected version(s) >=0.0.1 <1.6.58
Fix Suggestion:
Update to version 1.6.58
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CVSS v4
Base Score:
8.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
Reliance on Reverse DNS Resolution for a Security-Critical Action
EPSS
Base Score:
0.21