# CVE-2026-27686: Missing Authorization check in SAP Business Warehouse (Service API)

> An authenticated attacker can perform unauthorized configuration changes in SAP Business Warehouse, leading to potential denial of service.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Mar 2026
- **Updated:** 10 Mar 2026
- **Also known as:** GHSA-c6hc-8mm4-9853

## What is CVE-2026-27686?

CVE-2026-27686 is a medium-severity missing authorization vulnerability in SAP_SE SAP Business Warehouse (Service API), published on 10 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Due to a Missing Authorization Check in SAP Business Warehouse (Service API), an authenticated attacker could perform unauthorized actions via an affected RFC function module. Successful exploitation could enable unauthorized configuration and control changes, potentially disrupting request processing and causing denial of service. This results in low impact on integrity and high impact on availability, while confidentiality remains unaffected.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-27686?


## How do I fix CVE-2026-27686?

No fix has been published for CVE-2026-27686 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-27686 being exploited?

There is no known exploitation of CVE-2026-27686 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-27686 and fix it if it is affected.

What it is: CVE-2026-27686 is a medium-severity missing authorization vulnerability in SAP_SE SAP Business Warehouse (Service API), published on 10 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-27686 in the wild and no public exploit code.

Affected product: SAP_SE SAP Business Warehouse (Service API). 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-2026-27686/ (Markdown: https://insights.sbomify.com/CVE-2026-27686/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-27686
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-27686
- OSV: https://osv.dev/vulnerability/CVE-2026-27686

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-27686/
Summaries are generated and may contain mistakes; the official description above is the record.