# CVE-2026-66774: Multiple vulnerabilities in SAP Business AI Platform (Approuter)

> An attacker with low privileges can cause a denial of service in SAP Approuter under specific non-default configurations.

- **Severity:** Low 3.7 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Aug 2026
- **Updated:** 11 Aug 2026
- **Also known as:** GHSA-82g4-h784-m68h

## What is CVE-2026-66774?

CVE-2026-66774 is a low-severity denial of service vulnerability in SAP_SE SAP Business AI Platform (Approuter), published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SAP Approuter does not consistently handle certain error conditions. An attacker with low privileges could exploit this under a non-default configuration. Successful exploitation is highly complex, as it depends on conditions outside the attacker's control. This could result in a low impact on availability. There is no impact on confidentiality and integrity.

Weakness: CWE-754 (Improper Check for Unusual or Exceptional Conditions)

## Which versions are affected by CVE-2026-66774?

It affects 1 product.


Products: Sap Approuter.

## How do I fix CVE-2026-66774?

No fix has been published for CVE-2026-66774 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-66774 being exploited?

There is no known exploitation of CVE-2026-66774 in the wild and no public exploit code.

## Other vulnerabilities in SAP_SE SAP Business AI Platform (Approuter)

- [CVE-2026-27690](https://insights.sbomify.com/CVE-2026-27690/): HTTP Request Smuggling in SAP Approuter (critical 9.1)
- [CVE-2026-44745](https://insights.sbomify.com/CVE-2026-44745/): Open Redirect vulnerability in SAP Approuter (high 8.1)
- [CVE-2026-58230](https://insights.sbomify.com/CVE-2026-58230/): Multiple vulnerabilities in SAP Business AI Platform (Approuter) (high 7.0)
- [CVE-2026-66760](https://insights.sbomify.com/CVE-2026-66760/): Multiple vulnerabilities in SAP Business AI Platform (Approuter) (medium 6.4)
- [CVE-2026-58237](https://insights.sbomify.com/CVE-2026-58237/): Multiple vulnerabilities in SAP Business AI Platform (Approuter) (medium 5.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-66774 and fix it if it is affected.

What it is: CVE-2026-66774 is a low-severity denial of service vulnerability in SAP_SE SAP Business AI Platform (Approuter), published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-66774 in the wild and no public exploit code.

Affected product: SAP_SE SAP Business AI Platform (Approuter). 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-2026-66774/ (Markdown: https://insights.sbomify.com/CVE-2026-66774/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-66774
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66774
- OSV: https://osv.dev/vulnerability/CVE-2026-66774

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-66774/
Summaries are generated and may contain mistakes; the official description above is the record.