What is CVE-2026-89111?

CVE-2026-89111 is a critical-severity vulnerability in SAP Se Cloud, classified under Server-Side Request Forgery (SSRF). CVSS score: 10.0/10. Published 2026-10-13.

How severe is CVE-2026-89111?

Critical severity. CVSS v3 base score is 10.0 out of 10.

SSRF in SAP Se Cloud

CVE-2026-89111

The SAP Cloud SDK for Python contains an OAuth2 SSRF vulnerability affecting multi-tenant BTP applications. An attacker who controls the tenant_subdomain parameter can redirect OAuth2 token requests to an attacker-controlled server, causing client credentials to be exfiltrated.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

SAP Se Cloud — versions sap-cloud-sdk < 0.45.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

Frequently asked questions

What is CVE-2026-89111?: CVE-2026-89111 is a critical-severity vulnerability in SAP Se Cloud, classified under Server-Side Request Forgery (SSRF). CVSS score: 10.0/10. Published 2026-10-13.
How severe is CVE-2026-89111?: Critical severity. CVSS v3 base score is 10.0 out of 10.