CVE-2026-66773

Server-controlled `__next` URL is not checking cross-origin

Published Aug 11, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sap Se
Sap Se odata
Vendors & Products Sap Se
Sap Se odata
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Server-controlled `__next` URL is not checking cross-origin
Weaknesses CWE-601
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
sap
Published
Updated
Aug 11, 2026, 2:27 PM
Reserved
Jul 27, 2026, 5:33 PM
Status
Awaiting Analysis
Published
Aug 11, 2026, 1:17 AM
Modified
Oct 24, 2026, 4:10 PM