Authenticated command execution via hardcoded auto-approval
Published Jun 18, 2026 · Updated Jun 18, 2026
Command execution in PraisonAI before 4.5.128 allows remote authenticated users to run arbitrary shell commands through the Chainlit UI. The chat.py and code.py modules overwrite ToolConfig.from_env() with approval_mode="auto", then acp_execute_command passes blocklist-approved input to subprocess.run with shell=True. Access to the UI is required; commands run with the PraisonAI process privileges and can read, modify, or delete accessible data or interrupt the host.
Summary
What happened
Command execution in PraisonAI before 4.5.128 allows remote authenticated users to run arbitrary shell commands through the Chainlit UI. The chat.py and code.py modules overwrite ToolConfig.from_env() with approval_mode="auto", then acp_execute_command passes blocklist-approved input to subprocess.run with shell=True. Access to the UI is required; commands run with the PraisonAI process privileges and can read, modify, or delete accessible data or interrupt the host.
The record
- CVE
- CVE-2026-56075
- Published
- Jun 18, 2026
- Updated
- Jun 18, 2026
- Vendor
- PraisonAI
- Product
- PraisonAI
- Classifications
- CWE-863, T1059
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 18, 2026CVE publishedPublication date reported by the CVE source.
- Jun 18, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <4.5.128
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Chainlit UI auto-approval shell-command proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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