SAPCVE-2026-58240
SAP NetWeaver Message Server does not sufficiently validate the authenticity of...
Critical9.8CVE-2026-58240 · Published Sep 8, 2026 · updated Sep 9, 2026
SAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration. An unauthenticated attacker with network access to the affected service could exploit this weakness to register an unauthorized component and potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| SAP NetWeaver (Message Server) Product | <= KERNEL 9.16 | No fix yet |
| <= 9.18 | No fix yet | |
| <= 9.19 | No fix yet | |
| <= 9.20 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-308
More SAP advisories
All SAP| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 8 | SAP NetWeaver and ABAP Platform: missing authorization | Medium4.3 | No fix yet |
| Sep 8 | SAP NetWeaver Business Client: code execution | High7.8 | No fix yet |
| Sep 8 | SAP Web Dispatcher, Internet: information disclosure | Medium6.5 | No fix yet |
| Sep 8 | SAP Cloud Application Programming Model (CAP): weakly protected credentials | Critical9.4 | No fix yet |
| Sep 8 | SAP Manufacturing Integration and Intelligence: server-side request forgery | Medium6.5 | No fix yet |
| Sep 8 | SAP UI5 does not sufficiently validate the parent frame's origin against the... | Medium4.3 | No fix yet |