---
id: "CVE-2026-116393"
kind: "vulnerability"
aliases: ["CVE-2026-116393"]
title: "iHomefinder Optima Express: missing authorization exposes access control flaw"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["ihomefinder", "optima-express", "real-estate-websites", "vendor"]
not_affected_if: ["unknown"]
published_at: "2026-10-28T13:17:05+00:00"
first_seen_at: "2026-10-28T13:33:01+00:00"
updated_at: "2026-10-28T13:34:07+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-116393", "first_seen_at": "2026-10-28T13:33:01+00:00"}]
---

# iHomefinder Optima Express: missing authorization exposes access control flaw

Optima Express from iHomefinder, Inc has a missing authorization check, so access control levels can be bypassed. An attacker may reach functions or data that their role should not allow.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Confirm whether the Optima Express plugin or product is installed and note its version.
- Compare the installed version against the affected range (through 9.0.0) listed in the NVD entry.

## Fix

- Update Optima Express to a version later than 9.0.0, as the vendor publishes it (version unknown from sources).
- Contact iHomefinder for the patched release if no public update is listed.

## Timeline

- 2026-10-28T13:33:01+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-116393

## From the sources

Missing Authorization vulnerability in iHomefinder, Inc. Optima Express optima-express allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Optima Express: from n/a through 9.0.0.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_