CVE-2026-6662

A vulnerability was found in ericc-ch copilot-api up to 0.7.0. The impacted element is the function cors of the file src/server.ts of the component Token Endpoint. Performing a manipulation results in permissive cross-domain policy with untrusted domains. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

CVSS v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/August829/CVEP/issues/31
https://vuldb.com/submit/794601
https://vuldb.com/vuln/358300
https://vuldb.com/vuln/358300/cti

Configurations

No configuration.

History

20 Apr 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-20 17:16

Updated : 2026-04-29 01:00

NVD link : CVE-2026-6662

Mitre link : CVE-2026-6662

CVE.ORG link : CVE-2026-6662

JSON object : View

Products Affected

No product.

CWE

CWE-346

Origin Validation Error

CWE-942

Permissive Cross-domain Policy with Untrusted Domains

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