CVE-2025-26658 Broken Authentication in SAP Business One (Service Layer)
Attackers can bypass authentication to impersonate users and escalate privileges, allowing unauthorized data access and modification in SAP Business One.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-26658?
CVE-2025-26658 is a medium-severity authentication bypass vulnerability in SAP_SE SAP Business One (Service Layer), published on 11 Mar 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-384
Which versions are affected by CVE-2025-26658?
How do I fix CVE-2025-26658?
No fix has been published for CVE-2025-26658 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-26658 being exploited?
There is no known exploitation of CVE-2025-26658 in the wild and no public exploit code.
Sources
Also known as GHSA-3fjr-h35g-vfc9.