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CVE-2026-27690

HTTP Request Smuggling in SAP Approuter

Published: Jul 14, 2026Updated: Jul 14, 2026 Sources: CVE List NVDCWE-444
9.1CRITICAL
NVD MITRE
EPSS Score
0.5%
Top 58.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to a high impact on confidentiality and availability.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-444

Affected Products

SAP_SE
commercial·DEaka sap netweaver application server for abap, sap businessobjects business intelligence platform
SAP ApprouterOn-prem
Enterprise Software / erp

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://me.sap.com/notes/3720138
me.sap.com
https://url.sap/sapsecuritypatchday
url.sap
News mentions
3

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