CVE-2026-44745 Open Redirect vulnerability in SAP Approuter

High 8.1 Published 14 Jul 2026 Updated 14 Jul 2026

An unauthenticated attacker can craft a malicious link to redirect victims, potentially leading to unauthorized access and data exposure in SAP Approuter.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2026-44745?

CVE-2026-44745 is a high-severity vulnerability in SAP_SE SAP Approuter, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.

Weakness: CWE-601

Which versions are affected by CVE-2026-44745?

2 open source packages ship an affected version, including @sap/approuter. It affects 1 product.

Package	Affected	Fixed in
`@sap/approuter` npm	All versions	`21.2.0`
`@sap/approuter` npm	All versions	`21.2.0`

Products include Sap Approuter.

How do I fix CVE-2026-44745?

Upgrade @sap/approuter to 21.2.0 or later.

Is CVE-2026-44745 being exploited?

There is no known exploitation of CVE-2026-44745 in the wild and no public exploit code.

Sources

Also known as GHSA-44p5-3m5g-vfhj.