by Kastro
Paper/Archive/CVE-2026-89111

CVE-2026-89111

SAP_SE SAP Cloud — OAuth2 SSRF vulnerability in SAP Cloud SDK for Python

EPSS 0.4%CVSS 10.0
critical.is priorityof 100
36
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 31.1.311 × 206.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SAP Cloudsap-cloud-sdk < 0.45.2–CNA

Scores by source

sap (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/SAP/cloud-sdk-python/security/advisories/GHSA-4mv3-jxxm-9cx2refurl.sap/sapsecuritypatchday