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Aureus ERP Multi-Company Authorization Bypass via company_id

Priority MEDIUM 57CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Aureus ERP through 1.6.0 contains an authorization bypass (CWE-639, Authorization Bypass Through User-Controlled Key) that lets authenticated API users create or move records into companies they are not allowed to use by supplying a foreign company_id. Create and update requests to plugin REST API endpoints such as partners, sales, or inventories can break multi-company data segregation. CVSS 4.0 scores it 5.3 (MEDIUM). CISA's SSVC assessment rates exploitation as PoC, and the vulnerability is not in CISA KEV.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Aureus ERP through 1.6.0 contains an authorization bypass vulnerability that allows authenticated API users to create or move records into disallowed companies by supplying a foreign company_id. Attackers can submit create or update requests to plugin REST API endpoints such as partners, sales, or inventories to break multi-company data segregation.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00294 22nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
aureuserpaureuserpup to 1.6.0—No fix listedCNA
  • aureuserp Vendoraureuserp Affected up to 1.6.0 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for aureuserp/aureuserp, so the source data offers no update. Limit API access to trusted users until a fix is released.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111632
  2. 2026-10-16 Alias added: GHSA-2g8j-xm43-8gjj
  3. 2026-10-18 CISA SSVC decision points changed
  4. 2026-10-18 Priority changed: LOW → MEDIUM
  5. 2026-11-06 Affected versions changed · Red Hat
  6. 2026-11-06 CVSS score added · Red Hat

References

  • TI-2026-74906 Stored cross-site scripting in Aureus ERP inventory rules CVSS 4.0MEDIUM 5.1

Sources