{"affected":[{"defaultStatus":"unaffected","product":"REMS","source":"CNA: VulnCheck","vendor":"OpsTree Solutions","versions":[{"lessThanOrEqual":"1.0.0","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-126766","cwes":["CWE-639"],"description":"OpsTree REMS through 1.0.0 contains an improper authorization vulnerability that allows authenticated users to set an incident's reporter to another user by supplying a client-controlled reporter field. Attackers can send crafted POST /api/v1/incidents or PATCH /api/v1/incidents/{id}/status requests to falsify incident attribution and corrupt the accountability audit trail.","epss":null,"exploits":[{"kind":"exploit","source":"CNA: VulnCheck","url":"https://gist.github.com/neelkotnis/e11fb4f70d8ec850fa601566b95472a4"}],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":4.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1794420674127,"publishedAt":1794420674127,"references":[{"source":"CNA: VulnCheck","tags":["technical-description","exploit"],"url":"https://gist.github.com/neelkotnis/e11fb4f70d8ec850fa601566b95472a4"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://opstree.com/rems-ai-powered-observability/"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/opstree-rems-through-1.0.0-reporter-spoofing-via-api-v1-incidents"}],"remediation":[],"revision":"79765168da3b904907447cbac6d614ca5d05e93a2da1495941e0638f0f741990","sources":[{"modifiedAt":1794420674127,"name":"CNA: VulnCheck","retrievedAt":1794424124172,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126766"}],"ssvc":null,"status":"published","title":"OpsTree REMS through 1.0.0 Reporter Spoofing via /api/v1/incidents","updatedAt":1794424124172}