Vulnerability in 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 tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (41.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- SAP Basis — versions 700, 701, 702
- SAP Se Netweaver As Abap And Platform — versions SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702
Weakness classification (CWE)
References
- me.sap.com/notes/3697567 (Permissions Required)
- url.sap/sapsecuritypatchday (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 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.