CVE Catalog

CVE-2026-66767

HighCVSS 7.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.26%

18th percentile - higher than 18% of all known CVEs

Summary

An unauthenticated user can 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.

Risk Assessment

Session hijacking risk may lead to unauthorized data access and integrity compromise, posing a serious threat to the organization.

Recommendation

Apply SAP-provided patches immediately and restrict access to the application server to trusted networks only.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS