Medium severity · published Aug 11, 2026
CVE-2026-66778
Multiple vulnerabilities in SAP Business AI Platform (Approuter)
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
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. This results in a low impact on confidentiality. There is no impact on integrity and availability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SB
SAP Business AI Platform (Approuter) · SAP_SE
SAP Approuter node.js package < 23.0.0 · source: vendor
AP
Approuter · Sap
before 23.0.0 · source: NVD
Affected product
SB
SAP Business AI Platform (Approuter)
SAP_SE
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66778
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66778
Permissions Required
https://me.sap.com/notes/3786038
Vendor Advisory
https://url.sap/sapsecuritypatchday
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