What is CVE-2026-66778?

CVE-2026-66778 is a medium-severity vulnerability in Sap_se Sap Business Ai Platform (Approuter), classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.3/10. Published 2026-08-11.

How severe is CVE-2026-66778?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Sap_se Sap Business Ai Platform (Approuter)

CVE-2026-66778

SAP Approuter does not sufficiently sanitize certain request headers before forwarding traffic to internal components. An unauthenticated attacker could send a specially crafted request to obtain limited unauthorized access to information…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

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

Weakness classification (CWE)

CWE-644 — Improper Neutralization of HTTP Headers for Scripting Syntax

References

Frequently asked questions

What is CVE-2026-66778?: CVE-2026-66778 is a medium-severity vulnerability in Sap_se Sap Business Ai Platform (Approuter), classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.3/10. Published 2026-08-11.
How severe is CVE-2026-66778?: Medium severity. CVSS v3 base score is 5.3 out of 10.