SAPCVE-2026-27690
SAP Approuter: request smuggling
Critical9.1CVE-2026-27690 · Published Jul 14, 2026 · updated Sep 8, 2026
Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to a high impact on confidentiality and availability.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| SAP Approuter Product | <= SAP Approuter node.js package < 20.10.0 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-444
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