CVE-2026-44745: SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft
SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-44745
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-447450.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-44745 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[NEW] [high] SAP Patch Day July 2026cert-bund
- unknownNCSC-2026-0230 [1.01] [M/H] Vulnerabilities fixed in SAP productsncsc-nl
- unknownMultiple vulnerabilities in SAP products (July 15, 2026)cert-fr-avis
- unknownNCSC-2026-0230 [1.00] [M/H] Vulnerabilities fixed in SAP productsncsc-nl
Recent advisories for SAP Approuter does
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
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