CVE-2026-27678

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 63/100
Published: 2026-04-14 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: High
A: None

Description

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.

Weakness Classification (1)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.18%
Raw Score 0.001810
Percentile 7.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00181
2026-10-28
0.00181

Intelligence Sources

nvd ref →