{"affected":[{"defaultStatus":"unaffected","product":"Herowatch Go Server","source":"CNA: twcert","vendor":"About Time Technologies","versions":[{"status":"affected","version":"all","versionType":"custom"}]}],"cveId":"CVE-2026-121817","cwes":["CWE-639"],"description":"Herowatch Go Server developed by About Time Technologies has a Insecure Direct Object Reference vulnerability. Authenticated remote attackers can modify specific parameters to access or operate other users' data and functions.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: twcert","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: twcert","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1793775394695,"publishedAt":1793773537378,"references":[{"source":"CNA: twcert","tags":["third-party-advisory"],"url":"https://www.twcert.org.tw/en/cp-139-11364-0dce6-2.html"},{"source":"CNA: twcert","tags":["third-party-advisory"],"url":"https://www.twcert.org.tw/tw/cp-132-11366-d92ac-1.html"}],"remediation":[{"kind":"fix","source":"CNA: twcert","text":"The product is no longer maintained. Users are advised to replace it with a supported device."}],"revision":"cf534b5509b443265fc5aefcc23b0adcd5ef285e555c825b688a1400058973d6","sources":[{"modifiedAt":1793775394695,"name":"CNA: twcert","retrievedAt":1793776154722,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121817"}],"ssvc":null,"status":"published","title":"About Time Technologies｜Herowatch Go Server - Insecure Direct Object Reference","updatedAt":1793776154722}