CVE-2026-103054CWE-639

CVE-2026-103054

High · published September 30, 2026

CVSS v3.1

7.1

EPSS

Percentile

12.1

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 7.1 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
CVSS v4.0: 7.1 · 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
EPSS: 0.00222 · 12.1th percentile
Weakness: CWE-639 · Authorization Bypass Through User-Controlled Key
Published: 2026-09-30T05:16Z

References (6)

https://github.com/beenuar/AiSOC/blob/v11.2.0/services/api/app/api/v1/endpoints/mssp.py#L1073-L1110 · [email protected]https://github.com/beenuar/AiSOC/commit/151264a8b846db55099e5e0f4d76c388e8df4a92 · [email protected]https://github.com/beenuar/AiSOC/releases/tag/v12.0.0 · [email protected]https://github.com/beenuar/AiSOC/security/advisories/GHSA-mcg9-8pxf-j98v · [email protected]https://www.vulncheck.com/advisories/aisoc-10.0.0-before-12.0.0-unauthorized-tenant-access-via-mssp · [email protected]https://github.com/beenuar/AiSOC/security/advisories/GHSA-mcg9-8pxf-j98v · 134c704f-9b21-4f2e-91b3-4a467353bcc0

EPSS history

Timeline

01 OCT 03:44Z
EPSS moved — → 0%
epss
30 SEP 00:19Z
AiSOC 10.0.0 before 12.0.0 Unauthorized Tenant Access via MSSP
cvelistv5