Server-controlled `__next` URL is not checking cross-origin
Priority LOW 26CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-601.
Summary
A malicious or compromised OData service could disclose sensitive authentication information and inject untrusted data into the application, which may leads to a high impact on confidentiality and low impact on integrity and no impact on Availability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00306 23rd 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
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-66773
- 2026-10-03 Alias added: GHSA-wj2g-hp6v-8wj4
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-2026-66773 · CVE Program
- CVE-2026-66773 · NVD
- FIRST EPSS
- GHSA-wj2g-hp6v-8wj4 · GitHub Advisory Database · CC BY 4.0
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