High severity · published Feb 10, 2026
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…
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SB
Sap Basis · Sap
700; 701; 702; 731; 740; 750; +12 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23687
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-23687
Permissions Required
https://me.sap.com/notes/3697567
Vendor Advisory
https://url.sap/sapsecuritypatchday
seclists.org
http://seclists.org/fulldisclosure/2026/Jun/1
More from Sap Basis
9.0
CVE-2024-34687
SAP NetWeaver Application Server for ABAP and ABAP Platform do not sufficiently encode user controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability
8.8
CVE-2025-0066
Under certain conditions SAP NetWeaver AS for ABAP and ABAP Platform (Internet Communication Framework) allows an attacker to access restricted information due to weak access…
8.8
CVE-2025-0063
SAP NetWeaver AS ABAP and ABAP Platform does not check for authorization when a user executes some RFC function modules
7.5
CVE-2025-23193
SAP NetWeaver Server ABAP allows an unauthenticated attacker to exploit a vulnerability that causes the server to respond differently based on the existence of a specified user,…
7.5
CVE-2016-4551
The (1) SAP_BASIS and (2) SAP_ABA components 7.00 SP Level 0031 in SAP NetWeaver 2004s might allow remote attackers to spoof IP addresses written to the Security Audit Log via…