AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

SAPCVE-2026-27690

SAP Approuter: request smuggling

SAP

CVE-2026-27690 · Published Jul 14, 2026 · updated Sep 8, 2026

Critical9.1
No fix yet
SAP advisory

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

PackageAffectedFixed in
SAP Approuter
Product
<= SAP Approuter node.js package < 20.10.0No 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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