CVE-2025-26658 MEDIUM

CVE-2025-26658: Broken Authentication in SAP Business One (Service Layer)

Vendor Sap_Se
Product SAP Business One (Service Layer)
Weakness CWE-384 · Session fixation
Published March 11, 2025
Last update February 26, 2026

CVSS base score

6.8/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

The Service Layer in SAP Business One, allows attackers to potentially gain unauthorized access and impersonate other users in the application to perform unauthorized actions. Due to the improper session management, the attackers can elevate themselves to higher privilege and can read, modify and/or write new data. To gain authenticated sessions of other users, the attacker must invest considerable time and effort. This vulnerability has a high impact on the confidentiality and integrity of the application with no effect on the availability of the application.

Key dates

02Disclosure timeline

March 11, 2025 CVE published
February 26, 2026 Record updated