CVE-2026-27690: CWE-444: Inconsistent Interpretation of HTTP Requests in SAP_SE SAP Approuter
CVE-2026-27690 is an HTTP Request Smuggling vulnerability in SAP Approuter that allows an unauthenticated attacker to send specially crafted HTTP requests causing request-response desynchronization. This can lead to exposure of user responses and system unavailability, impacting confidentiality and availability. The vulnerability has a critical severity with a CVSS score of 9.1. No affected versions or patch information are currently provided.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-27690) in SAP Approuter involves inconsistent interpretation of HTTP requests (CWE-444), enabling an unauthenticated attacker to craft HTTP requests that cause request-response desynchronization. This desynchronization can expose user responses and disrupt system availability. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges or user interaction required, with high confidentiality and availability impacts. No remediation level or patch information is currently available from the vendor.
Potential Impact
Successful exploitation can lead to high confidentiality impact by exposing user responses and high availability impact by causing the system to become unavailable. There is no indication of integrity impact. The vulnerability can be exploited remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation is currently documented. Organizations should monitor SAP advisories for updates and apply patches once available.
CVE-2026-27690: CWE-444: Inconsistent Interpretation of HTTP Requests in SAP_SE SAP Approuter
Description
CVE-2026-27690 is an HTTP Request Smuggling vulnerability in SAP Approuter that allows an unauthenticated attacker to send specially crafted HTTP requests causing request-response desynchronization. This can lead to exposure of user responses and system unavailability, impacting confidentiality and availability. The vulnerability has a critical severity with a CVSS score of 9.1. No affected versions or patch information are currently provided.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-27690) in SAP Approuter involves inconsistent interpretation of HTTP requests (CWE-444), enabling an unauthenticated attacker to craft HTTP requests that cause request-response desynchronization. This desynchronization can expose user responses and disrupt system availability. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges or user interaction required, with high confidentiality and availability impacts. No remediation level or patch information is currently available from the vendor.
Potential Impact
Successful exploitation can lead to high confidentiality impact by exposing user responses and high availability impact by causing the system to become unavailable. There is no indication of integrity impact. The vulnerability can be exploited remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation is currently documented. Organizations should monitor SAP advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sap
- Date Reserved
- 2026-02-23T17:50:17.028Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a558ad868715ace43618367
Added to database: 07/14/2026, 01:03:20 UTC
Last enriched: 07/14/2026, 01:18:03 UTC
Last updated: 07/14/2026, 03:36:03 UTC
Views: 5
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