{"id":"CVE-2026-117509","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-117509","generatedAt":"2026-10-28T11:33:16.109Z","title":"A vulnerability was detected in crownpku Rasa_NLU_Chi up to 0.12.2.","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.","published":"2026-10-27T16:17:31.000Z","lastModified":"2026-10-27T16:17:31.000Z","status":"Received","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":2.1,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-22"],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and no EPSS score yet. Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-27T16:17:31.000Z","detail":{"score":"2.1","severity":"LOW","publishedAt":"2026-10-27T16:17:30.677Z"},"summary":"New CVE, low severity (CVSS 2.1)."}],"references":[{"url":"https://github.com/crownpku/Rasa_NLU_Chi/","source":"cna@vuldb.com"},{"url":"https://github.com/crownpku/Rasa_NLU_Chi/issues/138","source":"cna@vuldb.com"},{"url":"https://github.com/user-attachments/files/33302165/poc.zip","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-117509","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/1024527","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/427075","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/427075/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-117509","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}