CVE-2026-34257
CWE-601Published: April 14, 2026· Updated: Apr 17, 2026
Official Description
Due to an Open Redirect vulnerability in SAP NetWeaver Application Server ABAP, an unauthenticated attacker could craft malicious URL that, if accessed by a victim, they could be redirected to the page controlled by the attacker. This causes low impact on confidentiality and integrity of the application with no impact on availability.
Technical Analysis
CVE-2026-34257 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-601)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-34257 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts