PatchSiren cyber security CVE debrief
CVE-2026-44745 SAP_SE CVE debrief
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.
- Vendor
- SAP_SE
- Product
- SAP Approuter
- CVSS
- HIGH 8.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-14
- Original CVE updated
- 2026-07-14
- Advisory published
- 2026-07-14
- Advisory updated
- 2026-07-14
Who should care
Security teams and administrators responsible for SAP Approuter configurations should be aware of this vulnerability and take immediate action to mitigate potential risks. This includes reviewing and updating configurations, implementing additional monitoring, applying patches or updates provided by SAP, conducting a thorough review of existing Approuter configurations, and educating users about the risks associated with clicking on malicious links to prevent unauthorized access.
Technical summary
The vulnerability exists in the SAP Approuter's OAuth2 login flow, where it fails to properly validate incoming request headers. This oversight allows an unauthenticated remote attacker to craft a malicious link. When a victim clicks on this link, it could lead to unauthorized access. The impact of successful exploitation is high, affecting both confidentiality and integrity, while availability remains unaffected.
Defensive priority
High priority should be given to patching or mitigating this vulnerability, as it allows for unauthorized access with a high impact on confidentiality and integrity.
Recommended defensive actions
- Review and update SAP Approuter configurations to ensure proper validation of incoming request headers during the OAuth2 login flow.
- Implement additional monitoring to detect and respond to potential exploitation attempts.
- Apply patches or updates provided by SAP as soon as possible.
- Conduct a thorough review of existing Approuter configurations to identify and rectify any weaknesses.
- Educate users about the risks associated with clicking on malicious links.
Evidence notes
The CVE record was published on 2026-07-14T01:16:17.320Z and has not been modified since then. The NVD entry is currently 8.1 HIGH. Limited details are available about the specific configurations or versions affected.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T01:16:17.320Z and has not been modified since then. The NVD entry is currently 8.1 HIGH.