CRITICAL CWE-444
CVE-2026-27690
HTTP Request Smuggling in SAP Approuter
SAP·Approuter
9.1/ 10
CVSS 3.1
Critical severity
0.68%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 53% of all CVEs
Not listed
CISA KEV catalog
No confirmed in-the-wild exploitation on CISA's list.
Timeline
- Published
- Jul 14, 2026
- Updated
- Jul 14, 2026
- First covered
- Jul 14, 2026
- Latest story
- 4 months ago
Summary
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.
CWE-444Inconsistent Interpretation of HTTP Requests
Attack profile
Attack vectorNetwork
ComplexityLow
PrivilegesNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HAffected products
- SAP ApprouterSAP Approuter node.js package < 20.10.0