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Business logic error in Omega Solution Restro POS sale invoices

Priority MEDIUM 57CWE-840Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Omega Solution Restro POS up to 20261026 contains a business logic error (CWE-840) in the /sale-invoice/ file. Manipulating the productUnitSalePrice argument lets a remote attacker with low privileges cause business logic errors with low integrity impact. The exploit has been publicly disclosed and may be used.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

A vulnerability was determined in Omega Solution Restro POS up to 20261026. This impacts an unknown function of the file /sale-invoice/. Executing a manipulation of the argument productUnitSalePrice can lead to business logic errors. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0022 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
Omega SolutionRestro POS20261026—No fix listedCNA
  • Restro POS VendorOmega Solution Affected 20261026 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:omega_solution:restro_pos:*:*:*:*:*:*:*:*——Omega Solution
  • cpe:2.3:a:omega_solution:restro_pos:*:*:*:*:*:*:*:* Versions — — ·Omega Solution

Remediation

The sources list no fixed version for Omega Solution Restro POS.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-116461
  2. 2026-10-27 Alias added: GHSA-q5fq-jxrm-v2jf
  3. 2026-10-31 CISA SSVC decision points changed
  4. 2026-10-31 Priority changed: LOW → MEDIUM

References

  • TI-2026-63355 Omega Solution HRM OS Role Permission API permission missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-67509 Omega Solution CoinEx Crypto Support Ticket API customer information disclosure CVSS 4.0MEDIUM 5.3
  • TI-2026-67508 Omega Solution CoinEx Crypto Customer Information API customer-currency authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-67506 Omega Solution CoinEx Crypto Customer Profile API customer authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-63356 Omega Solution FBP Fulfillment by People User Profile API user authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-63353 Omega Solution HRM OS Role Permission Retrieval Endpoint permission resource injection CVSS 4.0MEDIUM 5.3
See all 8 →

Sources