{"schema_version":1,"title":"Synology Chat Server vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Synology Chat Server: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-9548, was published on 28 August 2026.","url":"https://junglewise.ai/threats/technologies/chat-server","json_url":"https://junglewise.ai/threats/technologies/chat-server.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/chat-server","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":3,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-9548","cvss":6.5,"epss":0.0027,"slug":"cve-2026-9548-synology-chat-server-xss-in-extract-domain","title":"Synology Chat Server XSS in extract domain","severity":"medium","exploited":false,"published_at":"2026-08-28T08:16:59.063+00:00","url":"https://junglewise.ai/threats/cve-2026-9548-synology-chat-server-xss-in-extract-domain"},{"cve":"CVE-2026-9491","cvss":4.3,"epss":0.0036,"slug":"cve-2026-9491-synology-chat-server-ssrf-in-webhook","title":"Synology Chat Server SSRF in webhook","severity":"medium","exploited":false,"published_at":"2026-08-28T08:16:58.953+00:00","url":"https://junglewise.ai/threats/cve-2026-9491-synology-chat-server-ssrf-in-webhook"},{"cve":"CVE-2026-40541","cvss":9,"epss":0.0049,"slug":"cve-2026-40541-synology-chat-server-cross-site-scripting-in-domain-extraction","title":"Synology Chat Server cross-site scripting in domain extraction","severity":"critical","exploited":false,"published_at":"2026-08-28T08:16:40.713+00:00","url":"https://junglewise.ai/threats/cve-2026-40541-synology-chat-server-cross-site-scripting-in-domain-extraction"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":1,"exploited":0,"vulnerabilities":3},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Synology DiskStation Manager","slug":"diskstation-manager","vulnerabilities":16,"url":"https://junglewise.ai/threats/technologies/diskstation-manager"},{"name":"Synology BeeDrive","slug":"beedrive","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/beedrive"},{"name":"Synology Surveillance Station","slug":"surveillance-station","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/surveillance-station"},{"name":"Synology DiskStation Manager (DSM)","slug":"diskstation-manager-dsm","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/diskstation-manager-dsm"}],"technology":{"hub":true,"name":"Synology Chat Server","slug":"chat-server","vendor":{"name":"Synology","slug":"synology","url":"https://junglewise.ai/threats/vendors/synology"},"aliases":[],"category":"service","url":"https://junglewise.ai/threats/technologies/chat-server"},"most_severe":[{"cve":"CVE-2026-40541","cvss":9,"epss":0.0049,"slug":"cve-2026-40541-synology-chat-server-cross-site-scripting-in-domain-extraction","title":"Synology Chat Server cross-site scripting in domain extraction","severity":"critical","exploited":false,"published_at":"2026-08-28T08:16:40.713+00:00","url":"https://junglewise.ai/threats/cve-2026-40541-synology-chat-server-cross-site-scripting-in-domain-extraction"},{"cve":"CVE-2026-9548","cvss":6.5,"epss":0.0027,"slug":"cve-2026-9548-synology-chat-server-xss-in-extract-domain","title":"Synology Chat Server XSS in extract domain","severity":"medium","exploited":false,"published_at":"2026-08-28T08:16:59.063+00:00","url":"https://junglewise.ai/threats/cve-2026-9548-synology-chat-server-xss-in-extract-domain"},{"cve":"CVE-2026-9491","cvss":4.3,"epss":0.0036,"slug":"cve-2026-9491-synology-chat-server-ssrf-in-webhook","title":"Synology Chat Server SSRF in webhook","severity":"medium","exploited":false,"published_at":"2026-08-28T08:16:58.953+00:00","url":"https://junglewise.ai/threats/cve-2026-9491-synology-chat-server-ssrf-in-webhook"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}