CVE-2026-58249 Memory Corruption vulnerability in SAP NetWeaver and SAP Web Dispatcher (Internet Communication Manager)
Unauthenticated attackers can crash SAP NetWeaver and Web Dispatcher via crafted requests, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58249?
CVE-2026-58249 is a high-severity vulnerability in SAP_SE SAP NetWeaver and SAP Web Dispatcher (Internet Communication Manager), published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SAP NetWeaver and SAP Web Dispatcher do not properly validate certain fields in specially crafted requests handled by an internal protocol component. An unauthenticated attacker could send a malicious request that triggers a memory-handling error, causing the affected process to crash. Successful exploitation can therefore result in a high impact on the availability of the affected application. There is no impact on the confidentiality or integrity of the application.
Weakness: CWE-191
Which versions are affected by CVE-2026-58249?
How do I fix CVE-2026-58249?
No fix has been published for CVE-2026-58249 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-58249 being exploited?
There is no known exploitation of CVE-2026-58249 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-f9wm-r4w7-hw29.