CVE-2026-57118 MervinPraison CVE debrief

Who should care

Defenders responsible for PraisonAI deployments should assess exposure and prioritize upgrading to praisonaiagents 1.6.59 or later. Security teams should monitor for suspicious activity and agent enumeration attempts.

Why it matters

CVE-2026-57118 is a critical vulnerability in PraisonAI's AgentTeam.launch feature, allowing unauthenticated remote agent listing and invocation. Defenders should prioritize verifying exposure and upgrading to praisonaiagents 1.6.59 or later. Limited information is available on potential exploitation or victim impact, requiring verification from official sources.

• Unauthenticated remote agent listing and enumeration
• Consumption of model resources by unauthorized clients
• Access to connected private context without authentication
• Triggering of agent tools or workflow side effects without authorization

Technical summary

The vulnerability is caused by a lack of access-control checks in AgentTeam.launch and the Agents alias, allowing unauthenticated clients to list agents, consume model resources, access connected private context, and trigger agent tools or workflow side effects. This issue affects PraisonAI's AgentTeam.launch feature, enabling unauthenticated remote agent listing and invocation endpoints. Defenders should prioritize verifying exposure and upgrading to praisonaiagents 1.6.59 or later. Inventory checks and monitoring for suspicious activity are recommended.

Defensive priority

Defenders should prioritize verifying exposure of PraisonAI AgentTeam.launch and upgrading to praisonaiagents 1.6.59 or later. Inventory checks and monitoring for suspicious activity are recommended.

Recommended defensive actions

• Verify exposure of PraisonAI AgentTeam.launch in your environment
• Upgrade to praisonaiagents 1.6.59 or later
• Monitor for suspicious activity and agent enumeration attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and fixed versions. However, limited information is available on potential exploitation or victim impact. Defenders should verify exposure of PraisonAI AgentTeam.launch and review official advisories for affected scope and severity. Limited source information requires defensive validation.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.