Allocation of Resources Without Limits or Throttling Affecting praisonai package, versions [,4.6.58)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-PRAISONAI-20158911
- published27 Sept 2026
- disclosed25 Aug 2026
- creditUnknown
Introduced: 25 Aug 2026
CVE-2026-55531 (opens in a new tab)How to fix?
Upgrade PraisonAI to version 4.6.58 or higher.
Overview
PraisonAI is a PraisonAI is an AI Agents Framework with Self Reflection. PraisonAI application combines PraisonAI Agents, AutoGen, and CrewAI into a low-code solution for building and managing multi-agent LLM systems, focusing on simplicity, customisation, and efficient human-agent collaboration.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the accumulation of unbounded session and cancellation data in memory due to the lack of session cleanup and enforcement of session TTL. An attacker can cause the server to exhaust system memory and terminate the process by sending repeated unauthenticated requests to the initialize endpoint or by exploiting the bypassable Origin validation.