{"id":"CVE-2026-103054","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103054","generatedAt":"2026-10-28T10:48:24.564Z","title":"AiSOC versions before 12.0.0 contain an authorization bypass vulnerability in the MSSP module that allows authenticated users to add arbitrary tenants to portfolios they own.","description":"AiSOC versions before 12.0.0 contain an authorization bypass vulnerability in the MSSP module that allows authenticated users to add arbitrary tenants to portfolios they own. Attackers can submit tenant UUIDs via the add_tenants_to_portfolio endpoint to claim unclaimed tenants and read their security alerts, incidents, and posture metrics without consent.","published":"2026-09-30T01:16:37.000Z","lastModified":"2026-09-30T17:32:07.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/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-639"],"affected":[],"epss":{"score":0.00276,"percentile":0.19874,"date":"2026-10-27","history":[{"date":"2026-09-30","score":0.00222,"percentile":0.11606}]},"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 (0.28%). 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":"2026-09-30T01:16:37.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-09-30T01:16:36.727Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://github.com/beenuar/AiSOC/blob/v11.2.0/services/api/app/api/v1/endpoints/mssp.py#L1073-L1110","source":"disclosure@vulncheck.com"},{"url":"https://github.com/beenuar/AiSOC/commit/151264a8b846db55099e5e0f4d76c388e8df4a92","source":"disclosure@vulncheck.com"},{"url":"https://github.com/beenuar/AiSOC/releases/tag/v12.0.0","source":"disclosure@vulncheck.com"},{"url":"https://github.com/beenuar/AiSOC/security/advisories/GHSA-mcg9-8pxf-j98v","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/aisoc-10.0.0-before-12.0.0-unauthorized-tenant-access-via-mssp","source":"disclosure@vulncheck.com"},{"url":"https://github.com/beenuar/AiSOC/security/advisories/GHSA-mcg9-8pxf-j98v","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103054","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."}