Affected versions of Flowintel improperly trust configuration keys supplied to the alerts settings update endpoint. While configuration values were normalized to Python literals, the corresponding keys were used directly when constructing and replacing lines in conf/config_module.py.
The vulnerable code used requester-controlled keys in both the regular expression and the generated assignment:
f'{key} = {py_val}'
and appended an assignment if the key was not already present. The modified Python configuration module was subsequently reloaded using importlib.reload(). This creates a code-generation boundary in which specially crafted configuration keys can alter the Python source structure and result in execution of attacker-controlled Python statements.
Version impacted >=3.3.0
The vulnerable code used requester-controlled keys in both the regular expression and the generated assignment:
f'{key} = {py_val}'
and appended an assignment if the key was not already present. The modified Python configuration module was subsequently reloaded using importlib.reload(). This creates a code-generation boundary in which specially crafted configuration keys can alter the Python source structure and result in execution of attacker-controlled Python statements.
Version impacted >=3.3.0
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References
History
Thu, 27 Aug 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Affected versions of Flowintel improperly trust configuration keys supplied to the alerts settings update endpoint. While configuration values were normalized to Python literals, the corresponding keys were used directly when constructing and replacing lines in conf/config_module.py. The vulnerable code used requester-controlled keys in both the regular expression and the generated assignment: f'{key} = {py_val}' and appended an assignment if the key was not already present. The modified Python configuration module was subsequently reloaded using importlib.reload(). This creates a code-generation boundary in which specially crafted configuration keys can alter the Python source structure and result in execution of attacker-controlled Python statements. Version impacted >=3.3.0 | |
| Title | Flowintel Alert Settings Configuration Allows Remote Code Execution via Arbitrary Configuration Keys | |
| Weaknesses | CWE-20 CWE-94 |
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| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: CIRCL
Published:
Updated: 2026-08-27T11:30:05.008Z
Reserved: 2026-08-27T10:22:59.027Z
Link: CVE-2026-81662
No data.
Status : Received
Published: 2026-08-27T13:18:42.330
Modified: 2026-08-27T13:18:42.330
Link: CVE-2026-81662
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OpenCVE Enrichment
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