Missing Authentication for Critical Function Affecting praisonaiagents package, versions [,1.5.125)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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- published13 Apr 2026
- disclosed10 Apr 2026
- creditoffset
Introduced: 10 Apr 2026
CVE-2026-40151 (opens in a new tab)How to fix?
Upgrade praisonaiagents to version 1.5.125 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 Missing Authentication for Critical Function via the list_agents function. An attacker can access sensitive agent names, roles, and partial system instructions by sending unauthenticated requests to the API endpoint. This can be further exploited through cross-origin requests due to permissive CORS settings, and full instruction content can be extracted by chaining requests to the chat endpoint.