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OAuth2 SSRF vulnerability in SAP Cloud SDK for Python

CVSS 3.1 10.0 CRITICALCheck source for fixed versionsKEV status unknown

Historical advisory recorded 30 Oct 2026 18:45:26 UTC. Read the latest advisory.

cve-program · CVE-2026-89111

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-89111

Published

OAuth2 SSRF vulnerability in SAP Cloud SDK for Python

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.

Source published
13 Oct 2026 00:24:28 UTC
Source modified
30 Oct 2026 18:00:40 UTC
Saved here
30 Oct 2026 18:45:26 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

ChangeIntel

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Sources read 15 Nov 18:02 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current