Protection Mechanism Failure Affecting praisonaiagents package, versions [,1.6.59)
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Test your applications- Snyk IDSNYK-PYTHON-PRAISONAIAGENTS-17660589
- published27 Jun 2026
- disclosed18 Jun 2026
- creditUnknown
Introduced: 18 Jun 2026
CVE-2026-57120 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade praisonaiagents to version 1.6.59 or higher.
Overview
praisonaiagents is a Praison AI agents for completing complex tasks with Self Reflection Agents
Affected versions of this package are vulnerable to Protection Mechanism Failure in the execute_code process. An attacker can access sensitive internal attributes by crafting payloads that assemble blocklisted attribute names at runtime and leveraging str.format to bypass Python-level attribute access controls. This allows reading of restricted attributes such as __class__, __qualname__, and others, even when they are intended to be blocked.