CVE-2026-66773
Server-controlled `__next` URL is not checking cross-origin
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.9
Server-controlled `__next` URL is not checking cross-origin
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.
- Record
CVE-2026-66773- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
EUVDEUVD-2026-55885
5.9
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.
- Record
EUVD-2026-55885- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wj2g-hp6v-8wj4
5.9
A malicious or compromised OData service could disclose sensitive authentication information and...
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.
- Record
GHSA-wj2g-hp6v-8wj4- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
NVD
5.9
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.
- Record
CVE-2026-66773- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
5.9
Server-controlled `__next` URL is not checking cross-origin
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.
- Record
CVE-2026-66773- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66773 is a medium vulnerability (CVSS 5.9) in Sap Se Odata, published August 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.