CVE-2026-89111CWE-918ssrf

CVE-2026-89111

Critical · published October 13, 2026

CVSS v3.1
10.0
EPSS
0%
Percentile
18.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00274 · 18.8th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-10-13T05:16Z
References (2)
https://github.com/SAP/cloud-sdk-python/security/advisories/GHSA-4mv3-jxxm-9cx2 · [email protected]https://url.sap/sapsecuritypatchday · [email protected]
EPSS history
Timeline
  • 14 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 13 OCT 00:24Z
    OAuth2 SSRF vulnerability in SAP Cloud SDK for Python
    cvelistv5
  • 13 OCT 00:24Z
    OAuth2 SSRF vulnerability in SAP Cloud SDK for Python
    cvelistv5