CVE-2026-103054

AiSOC 10.0.0 before 12.0.0 Unauthorized Tenant Access via MSSP

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.

Affected

beenuar · AiSOC

CVSS v4.0 VulnCheck

7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS v3.1 VulnCheck

7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

EPSS

0.28% chance of exploitation in the next 30 days, 20th percentile

Published

2026-09-30

Proof-of-concept exploits (1)

• hyderpwn/CVE-aisocRepo stars 0★ · pushed 2026-10-30 · find archive
  4 files

  CVE-2026-103053.pyCVE-2026-103054.pyCVE-2026-103055.pyCVE-2026-103056.py

CVE references

• beenuar/AiSOC/blob/v11.2.0/services/api/app/api/v1/endpoints/mssp.py#L1073-L1110REFERENCE
• beenuar/AiSOC/commit/151264a8b846db55099e5e0f4d76c388e8df4a92PATCH
• beenuar/AiSOC/releases/tag/v12.0.0REFERENCE
• beenuar/AiSOC/security/advisories/GHSA-mcg9-8pxf-j98vVENDOR
• https://www.vulncheck.com/advisories/aisoc-10.0.0-before-12.0.0-unauthorized-tenant-acces…ADVISORY

References

• CVE Record
• NVD entry

Related

• CVE-2020-14882
• CVE-2026-103053
• CVE-2026-103055
• CVE-2026-103056
• CVE-2026-103057
• CVE-2026-109565