CVE-2026-6874

ericc-ch copilot-api Header token dns rebinding

MEDIUM
4.3
CVSS Score
Published: April 22, 2026 at 11:30 PM UTC
Updated: October 26, 2026 at 10:10 PM UTC
1 product affected across 1 vendorCopilot API

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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

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/359039
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/359039/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/795212
ExploitIssue Tracking
Source: cverecord
https://github.com/August829/CVEP/issues/32

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-350

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