CVE Explorer
CVE-2026-27690
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"SAP Approuter","vendor":"SAP_SE","versions":[{"status":"affected","version":"SAP Approuter node.js package < 20.10.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:5442bfb351eaf8f29342244796d26fb511eae5b1b099604f0768aabb2f6831df · sha256:928e4fed93211899… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:5442bfb351eaf8f29342244796d26fb511eae5b1b099604f0768aabb2f6831df · sha256:928e4fed93211899… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-444","description":"CWE-444: Inconsistent Interpretation of HTTP Requests","lang":"eng","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:5442bfb351eaf8f29342244796d26fb511eae5b1b099604f0768aabb2f6831df · sha256:928e4fed93211899… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://me.sap.com/notes/3720138"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5442bfb351eaf8f29342244796d26fb511eae5b1b099604f0768aabb2f6831df · sha256:928e4fed93211899… · /containers/cna/references/0
{"url":"https://url.sap/sapsecuritypatchday"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5442bfb351eaf8f29342244796d26fb511eae5b1b099604f0768aabb2f6831df · sha256:928e4fed93211899… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.