CVE-2026-6874CWE-350

ericc-ch copilot-api Header token dns rebinding

Medium · published April 22, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
25.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00337 · 25.9th percentile
Weakness
CWE-350 · Reliance on Reverse DNS Resolution for a Security-Critical Action
Published
2026-04-22T23:30Z
EPSS history
Timeline
  • 22 APR 23:30Z
    ericc-ch copilot-api Header token dns rebinding
    cvelistv5