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PraisonAI EUVDEUVD-2026-42902

| CVE-2026-61444 CRITICAL
Code Injection (CWE-94)
2026-07-10 VulnCheck GHSA-vwv5-32vr-3jcp
Code Injection Python RCE Praisonai
9.4
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
9.4 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
vuln.today AI
9.1 CRITICAL

Network-reachable API with low complexity but PR:H because controlling agents_file needs privileged access; scope change (S:C) since injected code runs in a spawned subprocess, with full C/I/A impact.

3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

2
Patch available
Jul 10, 2026 - 16:16 EUVD
Analysis Generated
Jul 10, 2026 - 15:32 vuln.today

DescriptionCVE.org

PraisonAI versions before 4.6.78 contain a code injection vulnerability in deploy/api.py where the agents_file parameter is directly interpolated into an f-string without sanitization. Attackers can inject arbitrary Python code that executes when the generated server code runs via subprocess.Popen().

Articles & Coverage 2

News 6 New Python Vulnerabilities - 1 Critical, 5 High, 1 With POC Jul 11, 2026 News Critical RCE in PraisonAI before 4.6.78 - CVE-2026-61444 Jul 10, 2026

AnalysisAI

Remote code execution in PraisonAI before 4.6.78 lets an attacker who can supply the agents_file parameter to deploy/api.py run arbitrary Python, because that value is interpolated directly into an f-string that is later executed as generated server code via subprocess.Popen(). The CVSS 4.0 base score is 9.4 and the vector requires high privileges (PR:H), meaning the attacker must already be able to reach and drive the deployment API. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to PraisonAI deploy API
Delivery
Submit agents_file with embedded Python
Exploit
f-string interpolates value into generated code
Execution
subprocess.Popen() runs generated script
Impact
Arbitrary code executes on host
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to control the agents_file parameter passed to the deploy/api.py deployment endpoint, and per the CVSS vector (PR:H) requires high privileges to reach that functionality - so this is not exploitable against a default, unauthenticated deployment. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals are largely consistent and point to a genuinely high-severity flaw, tempered by an access prerequisite. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with privileged access to the PraisonAI deployment API submits a crafted agents_file value that embeds Python code; when deploy/api.py interpolates it into the generated server script and launches it via subprocess.Popen(), the injected code executes on the host with the process's privileges. No public POC was identified, and low attack complexity (AC:L) means that once the attacker can set the parameter, exploitation is straightforward.
Remediation Vendor-released patch: 4.6.78 - upgrade PraisonAI to 4.6.78 or later, which is the primary and recommended fix (see GHSA-g6j7-pffp-8whg). … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Restrict network access to PraisonAI deployment API endpoints to internal-only; audit current API users and permissions; enable detailed request logging on /deploy/api.py. …

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EUVD-2026-42902 vulnerability details – vuln.today
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