Linked CVE review

Assess and apply SAP security advisory 3720138

Linked CVEs: 1
Confirmed exploited: 0
PoC or lab evidence: 0
Maximum CVSS: 9.1

Evidence is kept separate

Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.

1 of 1 linked CVEs shown

Confirmed exploitedCVSS above 9.0

CVE and description	Severity	Exploit reality	Forecast and access	Remediation
CVE-2026-27690 Critical technical severity HTTP Request Smuggling in SAP Approuter Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to a high impact on confidentiality and availability.	9.1 · CVSS 3.1 · CriticalSource: CNA	No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.	EPSS: 0.68% · 51.0th percentileForecast date: 2026-10-07NETWORK · LOW complexity · NONE privileges · NONE user interaction	Within 72 hoursCritical technical impact with a remotely reachable, unauthenticated path; no CISA KEV confirmation is currently recorded.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.