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Vulnerability Details :

CVE-2026-6874

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-22 Apr, 2026 | 23:30
Updated At-23 Apr, 2026 | 14:32
Rejected At-
Credits

ericc-ch copilot-api Header token dns rebinding

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:22 Apr, 2026 | 23:30
Updated At:23 Apr, 2026 | 14:32
Rejected At:
▼CVE Numbering Authority (CNA)
ericc-ch copilot-api Header token dns rebinding

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 Products
Vendor
ericc-ch
Product
copilot-api
Modules
  • Header Handler
Versions
Affected
  • 0.1
  • 0.2
  • 0.3
  • 0.4
  • 0.5
  • 0.6
  • 0.7.0
Problem Types
TypeCWE IDDescription
CWECWE-350Reliance on Reverse DNS Resolution
Type: CWE
CWE ID: CWE-350
Description: Reliance on Reverse DNS Resolution
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
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
3.14.3MEDIUM
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
3.04.3MEDIUM
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
2.04.0N/A
AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 5.3
Base severity: 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
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
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
Version: 3.0
Base score: 4.3
Base severity: MEDIUM
Vector:
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
Version: 2.0
Base score: 4.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Yu_Bao (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-04-22 00:00:00
VulDB entry created2026-04-22 02:00:00
VulDB entry last update2026-04-22 20:26:05
Event: Advisory disclosed
Date: 2026-04-22 00:00:00
Event: VulDB entry created
Date: 2026-04-22 02:00:00
Event: VulDB entry last update
Date: 2026-04-22 20:26:05
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/359039
vdb-entry
technical-description
https://vuldb.com/vuln/359039/cti
signature
permissions-required
https://vuldb.com/submit/795212
third-party-advisory
https://github.com/August829/CVEP/issues/32
exploit
issue-tracking
Hyperlink: https://vuldb.com/vuln/359039
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/359039/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/795212
Resource:
third-party-advisory
Hyperlink: https://github.com/August829/CVEP/issues/32
Resource:
exploit
issue-tracking
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:23 Apr, 2026 | 00:16
Updated At:23 Apr, 2026 | 14:28

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Secondary2.04.0MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Type: Secondary
Version: 2.0
Base score: 4.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:S/C:N/I:P/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-350Primarycna@vuldb.com
CWE ID: CWE-350
Type: Primary
Source: cna@vuldb.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/August829/CVEP/issues/32cna@vuldb.com
N/A
https://vuldb.com/submit/795212cna@vuldb.com
N/A
https://vuldb.com/vuln/359039cna@vuldb.com
N/A
https://vuldb.com/vuln/359039/cticna@vuldb.com
N/A
Hyperlink: https://github.com/August829/CVEP/issues/32
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/submit/795212
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/359039
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/359039/cti
Source: cna@vuldb.com
Resource: N/A

Change History

0
Information is not available yet

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