CVE-2026-6874
ericc-ch copilot-api Header token dns rebinding
- State
- Published
- Severity
- 5.3 Medium
- Published
- Apr 22, 2026
- Updated
- Apr 23, 2026
- Reserved
- Apr 22, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 4.3 Medium | 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 | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-350 Reliance on Reverse DNS Resolution
Affected Products
| Product | Versions |
|---|---|
copilot-apiericc-ch |
|
References
- VDB-359039 | ericc-ch copilot-api Header token dns rebindingvdb-entrytechnical-description
- VDB-359039 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #795212 | ericc-ch copilot-api 0.7.0 DNS Rebinding Attackthird-party-advisory
- https://github.com/August829/CVEP/issues/32exploitissue-tracking
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