CVE-2026-117509
MediumCVSS 6.3Exploitation Probability (EPSS)
Low risk35th percentile - higher than 35% of all known CVEs
Summary
A vulnerability was detected in crownpku Rasa_NLU_Chi up to 0.12.2. Affected is the function Persistor._decompress of the file rasa_nlu/persistor.py of the component Model Persistor. The manipulation results in path traversal. The attack may be launched remotely, and the exploit is now public and may be used; the project has not responded to the issue report.
Risk Assessment
The path traversal vulnerability may allow an attacker to access files outside the intended directory, potentially leading to data disclosure or code execution. The public availability of the exploit increases the risk.
Recommendation
Update Rasa_NLU_Chi to a version later than 0.12.2 if a fix is available, or apply mitigations (path validation). Monitor the project for an official patch.
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Original NVD description (English source)
A vulnerability was detected in crownpku Rasa_NLU_Chi up to 0.12.2. Affected is the function Persistor._decompress of the file rasa_nlu/persistor.py of the component Model Persistor. The manipulation results in path traversal. The attack may be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS