{"id":"CVE-2026-111691","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-111691","generatedAt":"2026-10-28T03:39:51.802Z","title":"WIMOOR through commit ec86736 contains an authentication bypass vulnerability that allows attackers to impersonate any tenant and privilege level by sending an unsigned X-USERINFO header.","description":"WIMOOR through commit ec86736 contains an authentication bypass vulnerability that allows attackers to impersonate any tenant and privilege level by sending an unsigned X-USERINFO header. Attackers reaching backend service ports directly, bypassing the gateway, can forge companyid and manager or admin usertype values to read and modify other tenants' orders, finance data, and Amazon seller authorizations.","published":"2026-10-16T18:17:52.000Z","lastModified":"2026-10-16T22:17:23.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":9.1,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/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/M"},"cwe":["CWE-290"],"affected":[],"epss":{"score":0.00409,"percentile":0.35,"date":"2026-10-27","history":[{"date":"2026-10-17","score":0.00409,"percentile":0.33667}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-16T18:17:52.000Z","detail":{"score":"9.1","severity":"CRITICAL","publishedAt":"2026-10-16T18:17:52.493Z"},"summary":"New CVE, critical severity (CVSS 9.1)."}],"references":[{"url":"https://github.com/wimoor-erp/wimoor/blob/ec86736beb1a3b9ca6ba0d1c48a1c415445b8dc4/wimoor-common/common-mvc/src/main/java/com/wimoor/common/mvc/filter/UserInfoFilter.java#L42-L51","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@hieuPenguinnn/wimoor-trusted-x-userinfo-header-tenant-bypass","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/wimoor-through-commit-ec86736-authentication-bypass-via-forged-x-userinfo-header","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-111691","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}