SAP Gateway is a widely deployed ERP component; an unauthenticated, remote privilege escalation with CVSS 10 can lead to org‑wide compromise and is newsworthy.
CVE-2026-89103
Unauthenticated network exploit lets attackers assume internal app-server privileges on SAP Gateway.
Is CVE-2026-89103 being exploited?
Not confirmed. CVE-2026-89103 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.
How severe is CVE-2026-89103?
CVE-2026-89103 is rated Critical with a CVSS score of 10.0. 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-2026-89103?
Not known from our data. No patch reference has been recorded for CVE-2026-89103, 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-2026-89103 affect?
CVE-2026-89103 affects SAP Gateway, SAP NetWeaver-based systems, SAP applications using Gateway. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-89103?
Apply SAP security note/patch, restrict Gateway network access, and audit SAP logs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker with network access can be treated as an internal application server, enabling admin actions, data exfiltration, and service disruption.
Immediate action required
- affectedKRNL64NUC 7.22
- affected7.22EXT
- affectedKRNL64UC 7.22
- affected7.53
- affected8.04
- affectedKERNEL 7.22
- affected7.54
- affected7.77
- affected7.93
- affected9.16
- affected9.20
- affected9.21
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.
timeline
- 10 Nov 2026Published
- 10 Nov 2026CVE record last updated · same day later
- 10 Nov 2026Analysed by vulneraibility.com · same day later
- Linkme.sap.com /notes/3798345
- Linkurl.sap /sapsecuritypatchday
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.