CVE-2026-117509 crownpku Rasa_NLU_Chi Model Persistor persistor.py Persistor._decompress path traversal

Medium 5.3 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-117509?

CVE-2026-117509 is a medium-severity vulnerability in crownpku Rasa_NLU_Chi, published on 27 Oct 2026.

Official description

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.

Weakness: CWE-22

Which versions are affected by CVE-2026-117509?

How do I fix CVE-2026-117509?

No fix has been published for CVE-2026-117509 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-117509 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-117509 exists.

Sources

Also known as GHSA-pp2v-mwxg-7p57.

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