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CVE-2026-6662

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

HIGH
7.3
CVSS Score
Published: April 20, 2026 at 05:00 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorCopilot API

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Severity
HIGH7.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/358300
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/358300/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/794601
ExploitIssue Tracking
Source: cverecord
https://github.com/August829/CVEP/issues/31

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-942CWE-346

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