# CVE-2026-76967: Insecure Deserialization in SAP NetWeaver Business Client

> A local attacker can achieve arbitrary code execution by replacing locally stored data with malicious content processed during application startup.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Sep 2026
- **Updated:** 9 Sep 2026
- **Also known as:** GHSA-2g6q-47v3-35cx

## What is CVE-2026-76967?

CVE-2026-76967 is a high-severity unsafe deserialization vulnerability in SAP_SE SAP NetWeaver Business Client, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

SAP NetWeaver Business Client does not perform sufficient validation when processing certain locally stored data during application startup. An attacker with low privileges on the local system could replace this data with specially crafted content. When the application is next launched, the crafted content is processed and could lead to arbitrary code execution in the context of the user. This results in a high impact on confidentiality, integrity and availability of the application.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2026-76967?


## How do I fix CVE-2026-76967?

No fix has been published for CVE-2026-76967 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-76967 being exploited?

There is no known exploitation of CVE-2026-76967 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-76967 and fix it if it is affected.

What it is: CVE-2026-76967 is a high-severity unsafe deserialization vulnerability in SAP_SE SAP NetWeaver Business Client, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-76967 in the wild and no public exploit code.

Affected product: SAP_SE SAP NetWeaver Business Client. 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-2026-76967/ (Markdown: https://insights.sbomify.com/CVE-2026-76967/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-76967
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-76967
- OSV: https://osv.dev/vulnerability/CVE-2026-76967

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-76967/
Summaries are generated and may contain mistakes; the official description above is the record.