CVE-2026-6874

MEDIUM 4.3

ericc-ch copilot-api Header token dns rebinding

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-350
Vendor	ericc-ch
Product	copilot-api
Published	Apr 22, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ericc-ch / copilot-api

0.1 0.2 0.3 0.4 0.5 0.6 0.7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/359039 vuldb.com: https://vuldb.com/vuln/359039/cti vuldb.com: https://vuldb.com/submit/795212 github.com: https://github.com/August829/CVEP/issues/32

Credits

🔍 Yu_Bao (VulDB User) VulDB CNA Team