CVE intelligence and bounded remediation

CVE-2023-26459 — Sap Netweaver Application Server Abap security vulnerability

High CVSS 7.4

Due to improper input controls In SAP NetWeaver AS for ABAP and ABAP Platform - versions 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 756, 757, 791, an attacker authenticated as a non-administrative user can craft a request which will trigger the application server to send a request to an arbitrary URL which can reveal, modify or make unavailable non-sensitive information, leading to low impact on Confidentiality, Integrity and Availability.

Severity
High
CVSS
7.4 (3.1)
Published
2023-03-14
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-918

Affected products

  • sap / netweaver_application_server_abap / 700
  • sap / netweaver_application_server_abap / 701
  • sap / netweaver_application_server_abap / 702
  • sap / netweaver_application_server_abap / 731
  • sap / netweaver_application_server_abap / 740
  • sap / netweaver_application_server_abap / 750

Showing 6 representative product identities from 14 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Server-side request forgery and unintended proxying

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Check exposure

  • Inventory server-side URL fetchers, webhooks, importers, previews, redirects, proxies, and protocol handlers reachable from untrusted input.
  • Map egress paths to internal services, metadata endpoints, loopback, private address space, and privileged control planes.
  • Review DNS resolution, redirect, proxy, credential-forwarding, and URL parsing behavior without requesting sensitive targets.

Remediate safely

  • Replace arbitrary destinations with named integrations or a strict allowlist of schemes, hosts, ports, and paths.
  • Resolve and validate every destination and redirect hop, then enforce egress policy independently of application checks.
  • Remove ambient credentials and sensitive headers from fetchers; apply response size, time, and content limits.

Authoritative sources

Complete CVE record and remediation plan

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