# CVE-2026-60591: Missing authorization in Oracle Hospitality Simphony

> Unauthenticated attackers can modify or delete critical data and cause denial of service in Oracle Hospitality Simphony via HTTP.

- **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Aug 2026
- **Updated:** 20 Aug 2026
- **Also known as:** GHSA-4hwm-h3wc-xrfj

## What is CVE-2026-60591?

CVE-2026-60591 is a critical missing authorization vulnerability in Oracle Hospitality Simphony, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Vulnerability in the Oracle Hospitality Simphony product of Oracle Food and Beverage Applications (component: POS).  Supported versions that are affected are 19.8-19.8.5, 19.9-19.9.3 and  19.10-19.10.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality Simphony.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Hospitality Simphony accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Hospitality Simphony. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-60591?

It affects 1 product.


Products: Oracle Hospitality Simphony.

## How do I fix CVE-2026-60591?

No fix has been published for CVE-2026-60591 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-60591 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-60591 exists.

## Other vulnerabilities in Oracle Hospitality Simphony

- [CVE-2024-20997](https://insights.sbomify.com/CVE-2024-20997/): Auth bypass in Hospitality Simphony (critical 9.9)
- [CVE-2024-21010](https://insights.sbomify.com/CVE-2024-21010/): Missing authorization in Hospitality Simphony (critical 9.9)
- [CVE-2024-21014](https://insights.sbomify.com/CVE-2024-21014/): Auth bypass in Hospitality Simphony (critical 9.8)
- [CVE-2026-60168](https://insights.sbomify.com/CVE-2026-60168/): Missing authorization in Oracle Hospitality Simphony (critical 9.1)
- [CVE-2018-2829](https://insights.sbomify.com/CVE-2018-2829/): Missing authorization in Hospitality Simphony (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-60591 and fix it if it is affected.

What it is: CVE-2026-60591 is a critical missing authorization vulnerability in Oracle Hospitality Simphony, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-60591 exists.

Affected product: Oracle Hospitality Simphony. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-60591/ (Markdown: https://insights.sbomify.com/CVE-2026-60591/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-60591
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-60591
- OSV: https://osv.dev/vulnerability/CVE-2026-60591

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-60591/
Summaries are generated and may contain mistakes; the official description above is the record.