netweaver application server abap vulnerabilities and fixes

Recent CVEs affecting netweaver application server abap, with upgrade or downgrade steps. 3 tracked.

Also searched as: netweaverapplicationserverabap.

netweaver application server abap has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-05-14. Highest priority: CVE-2026-40135 (score 41/100).

• CVE-2026-40135 MEDIUM 6.5 DOWNGRADE An OS Command Injection vulnerability exists in the SAP NetWeaver Application Server for ABAP and ABAP Platfor
• CVE-2026-27682 MEDIUM 4.7 DOWNGRADE Due to a reflected cross-site scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applicat
• CVE-2026-27680 LOW 3.1 DOWNGRADE Due to improper input handling under certain conditions, SAP NetWeaver Application Server ABAP allows an attac

FAQ

How do I fix netweaver application server abap vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is netweaver application server abap being exploited right now?

None of the tracked netweaver application server abap CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which netweaver application server abap CVE should I patch first?

CVE-2026-40135 currently ranks highest (41/100): An OS Command Injection vulnerability exists in the SAP NetWeaver Application Server for ABAP and ABAP Platfor.

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