CVE-2026-27678

mediumpriority · track · 0OT risk · elevatedEPSS 0.002 · 8 %ileDEEUNLRU
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.18% (8th) EPSS
CVSS 6.5 · medium
Is it mine?
30 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · ENISA EU
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · cna@sap.comexploitability 2.8 · impact 3.6
v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · NCSC-NL NL
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USCWE-862USCWE-862US
04

affected products (30)

Products and version ranges known to be affected.

showing 20 of 30
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0113Kwetsbaarheden verholpen in SAP-productenNL2026-04-14csaf · ncsc_nlNL

    SAP heeft kwetsbaarheden verholpen in verschillende SAP-producten, waaronder SAP Supplier Relationship Management, SAP BusinessObjects Business Intelligence Platform, SAP NetWeaver Application Server Java en ABAP, SAP Landscape Transformation, SAP Business Planning and Consolidation, SAP Business Warehouse, SAP Content Management en SAP Human Capital Management.

  • WID-SEC-W-2026-1078SAP Patchday April 2026: Mehrere SchwachstellenDeutsch2026-04-13csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in SAP Software ausnutzen, um SQL-Injection durchzuführen, erweiterte Berechtigungen zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Cross-Site-Scripting-Angriffe durchzuführen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder andere nicht näher spezifizierte Auswirkungen zu verursachen.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundncsc_nlNVDCVE.orgMITRE
published 2026-04-14modified 2026-10-26
08

references (7)

External citations — patches, advisories, analysis.

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