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CVE-2026-6662

ericc-ch copilot-api Token Endpoint server.ts cors cross-domain policy

Published: Apr 20, 2026Updated: Apr 20, 2026 Sources: CVE List NVD
NVD MITRE
7.3CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

CWE-346CWE-942

Affected Products

copilot-api
ericc-ch

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://vuldb.com/vuln/358300
vuldb.com
https://vuldb.com/vuln/358300/cti
vuldb.com
https://vuldb.com/submit/794601
vuldb.com
and 1 more references View all →

Timeline

Published
Apr 20, 2026
Last Updated
Apr 20, 2026

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