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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.

PUBLISHED Reserved 2026-04-22 | Published 2026-04-22 | Updated 2026-04-23 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Reliance on Reverse DNS Resolution

Product status

0.1
affected

0.2
affected

0.3
affected

0.4
affected

0.5
affected

0.6
affected

0.7.0
affected

Timeline

2026-04-22:Advisory disclosed
2026-04-22:VulDB entry created
2026-04-22:VulDB entry last update

Credits

Yu_Bao (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/359039 (VDB-359039 | ericc-ch copilot-api Header token dns rebinding) vdb-entry technical-description

vuldb.com/vuln/359039/cti (VDB-359039 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/795212 (Submit #795212 | ericc-ch copilot-api 0.7.0 DNS Rebinding Attack) third-party-advisory

github.com/August829/CVEP/issues/32 exploit issue-tracking

cve.org (CVE-2026-6874)

nvd.nist.gov (CVE-2026-6874)

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