crownpku Rasa NLU Chi

Published Atomicorp research notes for CVEs affecting crownpku Rasa NLU Chi where WAF protections were observed during testing or engineering review.

These notes are not intended to represent the full set of vulnerabilities mitigated by Atomicorp products and should not be interpreted as a coverage matrix, certification list, or census of protected CVEs.

Atomicorp WAF protections are primarily designed around attack techniques and exploit behaviors rather than individual vulnerability identifiers. A published research note documents a positive research finding related to that CVE. If a CVE is absent from these notes, no conclusion should be drawn about protection status.

CVEVulnerabilityCVSSSeverityRules Observed
CVE-2026-117509crownpku Rasa_NLU_Chi Model Persistor persistor.py Persistor._decompress path traversal2.1 (v4.0)Low340007 , 344360 , 390709