EUVD-2026-65517
GHSA-pvxx-r596-f5qj
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
AV:N/PR:N because authentication is entirely absent; I:H and A:H reflect arbitrary agent workflow execution; C:L as agent output exposure is partial and configuration-dependent.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4DescriptionCVE.org
PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, praisonai serve agents and praisonai serve unified parse --api-key but _create_agents_app() and _create_unified_app() do not install a credential check. Unauthenticated callers can reach POST /agents and POST /api/v1/agents/{id}/invoke. This issue is fixed in version 4.6.58.
AnalysisAI
PraisonAI's praisonai serve subsystem (agents and unified modes) accepts an --api-key CLI flag that is parsed but never wired into the underlying FastAPI application, leaving POST /agents, POST /agents/{name}, and POST /api/v1/agents/{id}/invoke fully unauthenticated regardless of any key configured by the operator. All versions prior to 4.6.58 are affected, with the flaw present since approximately 4.6.34 when the serve subsystem first shipped. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required beyond network access to the serve port - the vulnerability affects all `praisonai serve agents` and `praisonai serve unified` deployments running versions prior to 4.6.58, including those where `--api-key` has been explicitly set (the flag is inert). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H) accurately reflects the attack surface: fully network-reachable, no complexity, no privilege requirement, no user interaction required. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to PraisonAI 4.6.58 or later, released at https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58 and confirmed by patch commit 2f9677abb2ea68eab864ee8b6a828fd0141612e1. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, immediately identify all PraisonAI instances running versions prior to 4.6.58 and isolate the serve subsystem from any untrusted networks-either restrict inbound connections at the firewall/load balancer level, disable the serve endpoints via reverse proxy, or take the interface offline entirely if agents do not require external access. …
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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