{"id":"CVE-2026-9491","aliases":["EUVD-2026-67462","GHSA-w5gw-c597-vxvj"],"status":"published","title":"A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5...","description":"A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00358,"percentile":0.29783,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-08-28T07:07:57Z","modified":"2026-09-01T20:54:51Z","products":[{"vendor":"synology","product":"synology chat server"}],"references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_26_10","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9491"},{"url":"https://github.com/advisories/GHSA-w5gw-c597-vxvj"}],"sources":{"cve":[{"id":"CVE-2026-9491","description":"A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information.","status":"published","published":"2026-08-28T07:07:57.24Z","modified":"2026-08-28T11:03:53.629Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:42:37.965383Z"}],"euvd":[{"id":"EUVD-2026-67462","description":"A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information.","status":"published","published":"2026-08-28T07:07:57Z","modified":"2026-08-28T11:03:53Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:23.608347Z"}],"ghsa":[{"id":"GHSA-w5gw-c597-vxvj","title":"A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5...","description":"A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information.","status":"published","published":"2026-08-28T09:31:50Z","modified":"2026-08-28T09:32:00Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:11:06.970333Z"}],"nvd":[{"id":"CVE-2026-9491","description":"A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information.","status":"published","published":"2026-08-28T08:16:58.953Z","modified":"2026-09-01T20:54:51.287Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:42.366888Z"}]}}