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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-66773
StatePUBLISHED
Assignersap
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-11 01:17:23 UTC
Updated2026-08-11 15:17:33 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

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

EPSS: 0.001940000 probability, percentile 0.093780000 (date 2026-08-12)

Problem Types: CWE-601 | CWE-601 CWE-601: URL Redirection to Untrusted Site

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
3.1CNACVSS5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SAP SE Odata affected pyodata (pip) < 1.11.2 Not specified

References

ReferenceSourceLinkTags
github.com/SAP/python-pyodata/security/advisories/GHSA-hc5j-q32w-c25v [email protected] github.com
url.sap/sapsecuritypatchday [email protected] url.sap
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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