Open Redirect in SAP Netweaver Application Server Abap
CVE-2026-34257
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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- SAP Netweaver Application Server Abap — versions 700, 701, 702
- SAP Se Netweaver Application Server Abap — versions SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702
Weakness classification (CWE)
References
- me.sap.com/notes/3692004 (Permissions Required)
- url.sap/sapsecuritypatchday (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-34257?
- CVE-2026-34257 is a medium-severity vulnerability in SAP Netweaver Application Server Abap, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-04-14.
- How severe is CVE-2026-34257?
- Medium severity. CVSS v3 base score is 6.1 out of 10.