# CVE-2026-66775: Multiple vulnerabilities in SAP Business AI Platform (Approuter)

> An attacker can trick a victim into binding their session to an attacker-controlled identity via a malicious link in SAP Approuter.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Aug 2026
- **Updated:** 11 Aug 2026
- **Also known as:** GHSA-397p-hh8q-gwmh

## What is CVE-2026-66775?

CVE-2026-66775 is a medium-severity 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, and only if a user opens a file or follows a link.

### Official description

SAP Approuter does not enforce cross-site request forgery protection on the authentication flow by default. An unauthenticated attacker could craft a malicious link and trick a victim into following it. Successful exploitation could allow the attacker to bind the victim's session to an attacker-controlled identity, resulting in a low impact on integrity. There is no impact on confidentiality and availability.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2026-66775?

It affects 1 product.


Products: Sap Approuter.

## How do I fix CVE-2026-66775?

No fix has been published for CVE-2026-66775 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-66775 being exploited?

There is no known exploitation of CVE-2026-66775 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-2026-66775 and fix it if it is affected.

What it is: CVE-2026-66775 is a medium-severity 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, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-66775 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-2026-66775/ (Markdown: https://insights.sbomify.com/CVE-2026-66775/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-66775
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66775
- OSV: https://osv.dev/vulnerability/CVE-2026-66775

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-66775/
Summaries are generated and may contain mistakes; the official description above is the record.