CVE-2026-27690: approuter before 20.10.0 (exclusive); +1 more affected products

CVE-2026-27690. CVSS 3.1 base score 9.1 (CRITICAL, Vendor/CNA). EPSS 0.00682 (percentile 0.51987), scored 24-Oct-2026.

Affected technology

approuter · before 20.10.0 (exclusive)
sap

SAP Approuter · SAP Approuter node.js package < 20.10.0
SAP_SE

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. Vendor/CNA’s CVSS 3.1 assessment (base score 9.1/10) rates confidentiality and availability impact as high; integrity impact as none.

Published 25-Oct-2026 01:29 UTC

CWE: CWE-444
CCR priority: 36.6 /100 (P4)
CVSS 3.1: 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H · Vendor/CNA
EPSS: 0.00682 · percentile 0.51987 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-27690.html