CRITICALCVSS 9.1EPSS 0.7%

CVE-2026-27690

CVE-2026-27690 updated by NVD

Published: 2026-07-14
Modified: 2026-09-10
EPSS percentile: 50%
Sources: github-advisory, nvd

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.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
npm	@sap/approuter	—	20.10.0

Remediation: Upgrade to 20.10.0 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-27690

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.