# CVE-2022-26833: Auth bypass in OAS Platform

> An attacker can bypass authentication to access the REST API of the OAS Platform without credentials.

- **Severity:** Critical 9.4 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:** 25 May 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-q479-f3r3-9xq7

## What is CVE-2022-26833?

CVE-2022-26833 is a critical authentication bypass vulnerability in Open Automation Software OAS Platform, published on 25 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.

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

## Which versions are affected by CVE-2022-26833?

It affects 1 product.


Products: Openautomationsoftware Oas Platform.

## How do I fix CVE-2022-26833?

No fix has been published for CVE-2022-26833 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-26833 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-26833 exists.

Public exploit code:

- Open Automation Software OAS Platform V16.00.0121 - Missing Authentication (nuclei): http/cves/2022/CVE-2022-26833.yaml

## Other vulnerabilities in Open Automation Software OAS Platform

- [CVE-2022-26082](https://insights.sbomify.com/CVE-2022-26082/): File upload in OAS Platform (critical 9.1)
- [CVE-2023-31242](https://insights.sbomify.com/CVE-2023-31242/): Auth bypass in OAS Platform (high 8.1)
- [CVE-2023-34998](https://insights.sbomify.com/CVE-2023-34998/): Auth bypass in OAS Platform (high 8.1)
- [CVE-2023-34353](https://insights.sbomify.com/CVE-2023-34353/): Auth bypass in OAS Platform (high 7.5)
- [CVE-2022-26026](https://insights.sbomify.com/CVE-2022-26026/): Denial of service in OAS Platform (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-26833 and fix it if it is affected.

What it is: CVE-2022-26833 is a critical authentication bypass vulnerability in Open Automation Software OAS Platform, published on 25 May 2022. 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-2022-26833 exists.

Affected product: Open Automation Software OAS Platform. 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-2022-26833/ (Markdown: https://insights.sbomify.com/CVE-2022-26833/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-26833
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-26833
- OSV: https://osv.dev/vulnerability/CVE-2022-26833

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-26833/
Summaries are generated and may contain mistakes; the official description above is the record.