What is CVE-2026-23687?

CVE-2026-23687 is a high-severity vulnerability in Sap Sap_basis, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2026-02-10.

How severe is CVE-2026-23687?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Sap Sap_basis

CVE-2026-23687

SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampe…

EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sap Sap_basis — versions 700, 701, 702
Sap_se Sap Netweaver As Abap And Platform — versions SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cna@sap.com (Permissions Required)
cna@sap.com (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-23687?: CVE-2026-23687 is a high-severity vulnerability in Sap Sap_basis, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2026-02-10.
How severe is CVE-2026-23687?: High severity. CVSS v3 base score is 8.8 out of 10.