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Cybersecurity firm specializing in protecting SAP and other business-critical applications, researching vulnerabilities and issuing remediation guidance.
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Onapsis found CVE-2026-44756 in SAP's Extended Passport code, Pathlock and nullFaktor reproduced remote code execution in a lab, and technical write-ups went public within 48 hours of the patch. Mandiant's AI report is the week's other substance.
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Onapsis, which found the flaw alongside SAP, rates it CVSS 10.0 and recommends immediate patching. A second kernel note in the same batch reaches every S/4HANA 2025 system and any older release already on a current kernel.
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SAP shipped Security Note 3747649 on September 8 for CVE-2026-44756, a memory corruption bug in Extended Passport processing that Onapsis says gives unauthenticated callers command execution as the account owning the SAP install.
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Onapsis says the OVERPASS overflow fires while the SAP kernel processes an Extended Passport at session initiation, which happens before authentication or logon policy is consulted. That leaves reachability and patch state as the only variables.
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Five HotNews and nine High Priority notes land on Commerce Cloud, NetWeaver AS ABAP and MII, and two of the described fixes are not finished when the patch is applied.
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CVE-2026-58231 chains a default auth client with missing input validation in SAP's Data Hub Adapter. The fix needs a rebuild and redeploy; the attackers needed 72 hours.
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CVE-2026-58231 lets an unauthenticated attacker reach code execution via the Data Hub Adapter. Onapsis says the fix is patch then re-deploy, with an IP filter set as the stopgap.
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