Open Redirect Affecting @sap/approuter package, versions <21.2.0


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.47% (39th percentile)

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  • Snyk IDSNYK-JS-SAPAPPROUTER-20158395
  • published27 Sept 2026
  • disclosed14 Jul 2026
  • creditUnknown

Introduced: 14 Jul 2026

CVE-2026-44745  (opens in a new tab)
CWE-601  (opens in a new tab)

How to fix?

Upgrade @sap/approuter to version 21.2.0 or higher.

Overview

@sap/approuter is a Node.js based application router

Affected versions of this package are vulnerable to Open Redirect via improper validation of incoming request headers during the OAuth2 login flow. An attacker can redirect users to arbitrary external sites by crafting a malicious link and tricking a victim into clicking it, potentially resulting in unauthorized access and exposure of sensitive information.

References

CVSS Base Scores

version 4.0
version 3.1