Affects SAP Landscape Transformation (LT), a widely used ERP component; serious backdoor risk enabling full system compromise.
CVE-2026-0491
SAP LT RFC module allows admin to inject ABAP/OS commands; backdoor risk.
Is CVE-2026-0491 being exploited?
Not confirmed. CVE-2026-0491 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-0491?
CVE-2026-0491 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-0491?
Not known from our data. No patch reference has been recorded for CVE-2026-0491, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-0491 affect?
CVE-2026-0491 affects SAP Landscape Transformation (LT) RFC module, SAP NetWeaver/SAP ERP environments. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-0491?
Limit RFC exposure, monitor admin activity, apply SAP security notes/patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Admin via RFC can execute arbitrary ABAP/OS commands, enabling full SAP system compromise.
Immediate action required
- affectedDMIS 2011_1_700
- affected2011_1_710
- affected2011_1_730
- affected2011_1_731
- affected2018_1_752
- affected2020
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.