CVE-2026-103054
CVE-2026-103054
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- github.com/beenuar/AiSOC/security/advisories/GHSA-mcg9-8pxf-j98v (vendor-advisory)
- github.com/beenuar/AiSOC/commit/151264a8b846db55099e5e0f4d76c388e8df4a92 (patch)
- github.com/beenuar/AiSOC/releases/tag/v12.0.0 (release-notes)
- github.com/beenuar/AiSOC/blob/v11.2.0/services/api/app/api/v1/endpoints/mssp.py (technical-description)
- www.vulncheck.com/advisories/aisoc-10.0.0-before-12.0.0-unauthorized-tenant-acc… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-103054?
- CVE-2026-103054 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-09-30.
- How severe is CVE-2026-103054?
- High severity. CVSS v3 base score is 7.1 out of 10.