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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.

PUBLISHED Reserved 2026-05-07 | Published 2026-07-14 | Updated 2026-07-14 | Assigner sap




HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Problem types

CWE-601: URL Redirection to Untrusted Site

Product status

Default status
unaffected

SAP Approuter node.js package < 21.2.0
affected

References

me.sap.com/notes/3741519

url.sap/sapsecuritypatchday

cve.org (CVE-2026-44745)

nvd.nist.gov (CVE-2026-44745)

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