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Back to active CVEs
Critical · CVSS 10.0CVE-2026-89111

OAuth2 SSRF vulnerability in SAP Cloud SDK for PythonCVE-2026-89111

Answer in brief

CVE-2026-89111 records a Critical severity (CVSS 10.0) vulnerability in OAuth2 SSRF vulnerability in SAP Cloud SDK for Python. The current sources do not mark it as known exploited. The current feed maps SAP_SE/SAP Cloud (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 13, 2026Updated Oct 13, 2026Source checked Oct 13, 2026First seen by HOL Oct 13, 2026Material review Oct 13, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps SAP_SE/SAP Cloud (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
SAP_SE/SAP Cloudgenericsap-cloud-sdk <0.45.20.45.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for SAP_SE/SAP Cloud.
  2. 2Review the reported fix. Update SAP_SE/SAP Cloud to 0.45.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referenceurl.sap
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Server-Side Request Forgery (SSRF) in GitLabAlso CWE-918
  • Acceptance of Extraneous Untrusted Data With Trusted Data in GitLabSame generic ecosystem
  • Insertion of Sensitive Information into Log File in GitLabSame generic ecosystem
  • Incorrect Authorization in GitLabSame generic ecosystem
  • Incorrect Privilege Assignment in GitLabSame generic ecosystem
  • Reliance on Untrusted Inputs in a Security Decision in GitLabSame generic ecosystem

Record context

Vulnerability class
SSRF
EPSS
Not reported
CWE IDs
CWE-918
Source
CVE List V5
Source checked
Oct 13, 2026
References
2 linked sources
Open source record