Missing Authorization check in SAP NetWeaver (ABAP Class Builder)
Priority MEDIUM 40CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Due to missing authorization check, SAP NetWeaver (ABAP Class Builder) allows an attacker to gain higher access levels than they should have, resulting in escalation of privileges. On successful exploitation, this could result in disclosure of highly sensitive information. It could also have a high impact on the integrity and availability of the application.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00424 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SAP | SAP NetWeaver (ABAP Class Builder) | SAP_BASIS 700; SAP_BASIS 701; SAP_BASIS 702; SAP_BASIS 731; SAP_BASIS 740; SAP_BASIS 750; SAP_BASIS 751; SAP_BASIS 752; SAP_BASIS 753; SAP_BASIS 754; SAP_BASIS 755; SAP_BASIS 756; SAP_BASIS 757; SAP_BASIS 758; SAP_BASIS 914 | — | No fix listed | CNA |
- SAP NetWeaver (ABAP Class Builder) VendorSAP Affected SAP_BASIS 700; SAP_BASIS 701; SAP_BASIS 702; SAP_BASIS 731; SAP_BASIS 740; SAP_BASIS 750; SAP_BASIS 751; SAP_BASIS 752; SAP_BASIS 753; SAP_BASIS 754; SAP_BASIS 755; SAP_BASIS 756; SAP_BASIS 757; SAP_BASIS 758; SAP_BASIS 914 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26661
- 2026-10-03 Alias added: GHSA-r597-fw99-924j
References
More SAP vulnerabilities
- TI-2025-22522 Missing Authorization check in SAP NetWeaver (Visual Composer development server) KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06811 SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP… KEVCVSS 3.1CRITICAL 10.0
- TI-2021-15842 Path traversal in SAP NetWeaver KEVCVSS 3.1CRITICAL 9.9
- TI-2020-05139 Missing authentication in SAP NetWeaver AS JAVA KEVCVSS 3.1CRITICAL 10.0
- TI-2020-05063 Missing authentication in SAP Solution Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2019-00284 Deserialization of untrusted data in SAP Commerce Cloud KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-26661 · CVE Program
- CVE-2025-26661 · NVD
- FIRST EPSS
- GHSA-r597-fw99-924j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences