Integer overflow in SAP Se Netweaver Application Server For Abap And Platform
CVE-2026-66767
SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session under narrow timing conditions. Successful exploitation could result in high impact on confidentiality and integrity, with low impact on availability of the application.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.
Affected products
- Sap_se Sap Netweaver Application Server For Abap And Platform — versions 7.22EXT, 7.53, 7.54
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-66767?
- CVE-2026-66767 is a high-severity vulnerability in SAP Se Netweaver Application Server For Abap And Platform, classified under Integer Underflow. CVSS score: 7.7/10. Published 2026-09-08.
- How severe is CVE-2026-66767?
- High severity. CVSS v3 base score is 7.7 out of 10.