CVE-2026-27671 Memory Corruption vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Platform
Unauthenticated attackers can trigger memory corruption via crafted RFC requests in SAP NetWeaver ABAP, potentially leading to code execution or service disruption.
- 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-2026-27671?
CVE-2026-27671 is a critical memory corruption vulnerability in SAP_SE SAP NetWeaver AS ABAP and ABAP Platform, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Due to improper RFC protocol validation in the SAP Kernel used by the Application Server ABAP of SAP NetWeaver and ABAP Platform, an unauthenticated attacker can send a crafted RFC request that exploits logical errors in memory management, leading to memory corruption. This could lead to a high impact on the confidentiality, integrity, and availability of the application.
Weakness: CWE-121
Which versions are affected by CVE-2026-27671?
How do I fix CVE-2026-27671?
No fix has been published for CVE-2026-27671 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-27671 being exploited?
There is no known exploitation of CVE-2026-27671 in the wild and no public exploit code.
Sources
Also known as GHSA-rvg2-xqmh-v3qw.