CVE-2026-58240
published 2026-09-08CVE-2026-58240: SAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration. An unauthenticated…
PriorityP264critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.34%
27.4th percentile
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
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| sap_se | sap_netweaver | — | — |
| sap_se | sap_netweaver | — | — |
| sap_se | sap_netweaver | — | — |
| sap_se | sap_netweaver | — | — |
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GHSA
SAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration.
ghsa_unreviewed·2026-09-08
CVE-2026-58240 [CRITICAL] CWE-308 SAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration.
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.
VulDB
SAP NetWeaver 9.18/9.19/9.20/KERNEL 9.16 Message Server improper authorization
vuldb·2026-09-08·CVSS 9.8
CVE-2026-58240 [CRITICAL] SAP NetWeaver 9.18/9.19/9.20/KERNEL 9.16 Message Server improper authorization
A vulnerability categorized as critical has been discovered in SAP NetWeaver 9.18/9.19/9.20/KERNEL 9.16. This impacts an unknown function of the component Message Server. Executing a manipulation can lead to improper authorization.
The identification of this vulnerability is CVE-2026-58240. The attack may be launched remotely. There is no exploit available.
No detection rules found.
No public exploits indexed.
2026-09-08
Published