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CVE-2026-44745 is an open redirect vulnerability in SAP Approuter affecting Node.js package versions earlier than 21.2.0. The flaw is caused by improper validation of incoming request headers during the OAuth2 login flow under certain configurations. An unauthenticated remote attacker can abuse this weakness by crafting a malicious link that leverages the flawed redirect handling. If a victim follows the link, the attacker may be able to interfere with the authentication flow and obtain unauthorized access. The vulnerability has high confidentiality and integrity impact and no direct availability impact.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An open redirect vulnerability affecting SAP Approuter.
An open redirect vulnerability affecting SAP Approuter.
An open redirect vulnerability in SAP Approuter caused by improper validation of incoming request headers during the OAuth2 login flow, enabling crafted malicious links.
An improper validation vulnerability in SAP Approuter during the OAuth2 login flow that can allow an unauthenticated remote attacker to craft a malicious link leading to unauthorized access.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.