OAuth2 SSRF vulnerability in SAP Cloud SDK for Python (SAP_SE SAP Cloud)

CVE-2026-89111
CRITICAL 10.0

At a glance

Source
NVD
EPSS
EPSS 0.37 % · percentile 31 ()
State
PUBLISHED
Published
Updated
Assigner
sap
NVD status
Awaiting Analysis

Description

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.

Weaknesses (CWE)

  • CWE-918 — Server-Side Request Forgery

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Nsap
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:NNVD · cna@sap.com (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
SAP_SE · SAP Cloudaffected sap-cloud-sdk < 0.45.2 ; affected >=0.53.0 < 0.55.1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD