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CVE-2026-6874
Published:April 22, 2026
Updated:May 18, 2026
A vulnerability was determined in ericc-ch copilot-api up to 0.7.0. This impacts an unknown function of the file /token of the component Header Handler. Executing a manipulation of the argument Host can lead to reliance on reverse dns resolution. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Packages
https://github.com/ericc-ch/copilot-api.git (GITHUB):
Affected version(s) >=v0.0.1 <0ea08febdd7e3e055b03dd298bf57e669500b5c1
Fix Suggestion:
Update to version 0ea08febdd7e3e055b03dd298bf57e669500b5c1
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Reliance on Reverse DNS Resolution for a Security-Critical Action
EPSS
Base Score:
0.01