{"id":"CVE-2026-4263","aliases":["EUVD-2026-16150","GHSA-vv27-wprx-cxj7"],"status":"published","title":"Incorrect authorization in HiJiffy Chatbot","description":"Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter \n'visitor' in '/api/v1/webchat/message'.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00271,"percentile":0.19404,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-03-26T09:12:45Z","modified":"2026-06-17T10:56:19Z","products":[{"vendor":"hijiffy","product":"hijiffy chatbot"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-hijiffy-chatbot"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4263"},{"url":"https://github.com/advisories/GHSA-vv27-wprx-cxj7"}],"sources":{"cve":[{"id":"CVE-2026-4263","title":"Incorrect authorization in HiJiffy Chatbot","description":"Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter \n'visitor' in '/api/v1/webchat/message'.","status":"published","published":"2026-03-26T09:12:45.571Z","modified":"2026-06-09T08:58:49.098Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:19:59.369956Z"}],"euvd":[{"id":"EUVD-2026-16150","description":"Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter \n'visitor' in '/api/v1/webchat/message'.","status":"published","published":"2026-03-26T09:12:45Z","modified":"2026-06-09T08:58:49Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:48.012898Z"}],"ghsa":[{"id":"GHSA-vv27-wprx-cxj7","title":"Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download...","description":"Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter \n'visitor' in '/api/v1/webchat/message'.","status":"published","published":"2026-03-26T12:30:29Z","modified":"2026-03-26T12:30:35Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:06:52.37988Z"}],"nvd":[{"id":"CVE-2026-4263","description":"Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter \n'visitor' in '/api/v1/webchat/message'.","status":"published","published":"2026-03-26T10:16:26.173Z","modified":"2026-06-17T10:56:19.45Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:11.678711Z"}]}}