What is CVE-2026-58239?

CVE-2026-58239 is a low-severity vulnerability in SAP Approuter, classified under CWE-807. CVSS score: 3.7/10. Published 2026-08-11.

How severe is CVE-2026-58239?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in SAP Approuter

CVE-2026-58239

SAP Approuter does not sufficiently validate tenant context in inbound requests. An unauthenticated attacker could send specially crafted requests to spoof the tenant context under conditions not fully within their control. Successful exploitation could allow limited access to another tenant's information, resulting in a low impact on confidentiality. There is no impact on integrity and availability.

Published 2026-08-11 · last modified 2026-09-08.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.4th percentile), scored 2026-09-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

SAP Approuter
SAP Se Business Ai Platform (Approuter) — versions SAP Approuter node.js package < 23.0.0

Weakness classification (CWE)

CWE-807

References

me.sap.com/notes/3786038 (Permissions Required)
url.sap/sapsecuritypatchday (Vendor Advisory)

Frequently asked questions

What is CVE-2026-58239?: CVE-2026-58239 is a low-severity vulnerability in SAP Approuter, classified under CWE-807. CVSS score: 3.7/10. Published 2026-08-11.
How severe is CVE-2026-58239?: Low severity. CVSS v3 base score is 3.7 out of 10.