GitHub Advisoryadvisory · npm

GHSA-8m85-wqg7-c529 SAP Approuter Vulnerable to HTTP Request Smuggling

CRITICAL Published 2026-07-14 Modified 2026-09-01 Official page ↗
Aliases
CVE-2026-27690
Ecosystem
npm
Packages
@sap/approuter
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weaknesses
CWE-444
Reviewed
2026-09-01

Affected packages

• npm @sap/approuter: < 20.10.0 → fixed in 20.10.0

Description

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.

Related

Alias · CVE (1)

  • CVE-2026-27690 Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request… vulnerability

Weakness · CWE (1)

  • CWE-444 Inconsistent Interpretation of HTTP Requests weakness

References