CVE-2026-109442: Missing Authentication for Critical Function in cas-bigdatalab piflow
Description
piflow versions 2.0.0 through 2.0.1 have a critical remote code execution vulnerability due to missing authentication on the DeepAgents chat agent endpoints POST /chat and POST /chat/stream. This allows attackers to execute arbitrary commands without approval, potentially exposing sensitive environment secrets such as API keys and database credentials.
CVSS v4.0
Score 9.3critical
Affected software
cas-bigdatalab
piflow
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-109442 affects piflow versions 2.0.0 and 2.0.1. The vulnerability arises because the DeepAgents chat agent's POST /chat and POST /chat/stream endpoints do not require authentication. Attackers can exploit this by instructing the agent to invoke the exec_shell tool, which executes arbitrary shell commands via subprocess.run without any human approval or allow-list restrictions. This flaw enables remote code execution and can lead to exposure of sensitive environment variables including LLM API keys and database credentials.
Potential Impact
An unauthenticated remote attacker can execute arbitrary commands on the affected system, leading to full compromise of the environment. Sensitive secrets such as API keys and database credentials stored in environment variables can be exposed, increasing the risk of further attacks or data breaches. The vulnerability has a CVSS 4.0 score of 9.3, indicating critical severity.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected endpoints and implement external authentication or network-level controls to prevent unauthorized access to the DeepAgents chat agent endpoints.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-12T15:52:36.683Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad6c1952cdf04f656e49560
Added to database: 10/20/2026, 01:19:17 UTC
Last enriched: 10/20/2026, 01:48:26 UTC
Last updated: 10/20/2026, 01:48:26 UTC
Views: 5
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