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Vulnerability Details :

CVE-2026-56310

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-24 Jun, 2026 | 11:53
Updated At-24 Jun, 2026 | 11:53
Rejected At-
Credits

Cap-go - Authorization Bypass in Organization Members Endpoint via API Key Scope Bypass

Cap-go before 12.128.2 contains an authorization bypass vulnerability in the GET /organization/members endpoint that allows org-limited API keys to bypass limited_to_orgs restrictions. Attackers with org-limited API keys can read membership data including uid, email, image_url, role, and is_tmp from organizations outside their assigned scope.

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:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:24 Jun, 2026 | 11:53
Updated At:24 Jun, 2026 | 11:53
Rejected At:
▼CVE Numbering Authority (CNA)
Cap-go - Authorization Bypass in Organization Members Endpoint via API Key Scope Bypass

Cap-go before 12.128.2 contains an authorization bypass vulnerability in the GET /organization/members endpoint that allows org-limited API keys to bypass limited_to_orgs restrictions. Attackers with org-limited API keys can read membership data including uid, email, image_url, role, and is_tmp from organizations outside their assigned scope.

Affected Products
Vendor
Cap-go
Product
capgo
Default Status
unaffected
Versions
Affected
  • From 0 before 12.128.2 (semver)
Unaffected
  • 12.128.2 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-285Improper Authorization
Type: CWE
CWE ID: CWE-285
Description: Improper Authorization
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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:L/VI:N/VA:N/SC:N/SI:N/SA:N
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:L/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Judel777
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/Cap-go/capgo/security/advisories/GHSA-q7xv-p34q-v365
vendor-advisory
https://www.vulncheck.com/advisories/cap-go-authorization-bypass-in-organization-members-endpoint-via-api-key-scope-bypass
third-party-advisory
Hyperlink: https://github.com/Cap-go/capgo/security/advisories/GHSA-q7xv-p34q-v365
Resource:
vendor-advisory
Hyperlink: https://www.vulncheck.com/advisories/cap-go-authorization-bypass-in-organization-members-endpoint-via-api-key-scope-bypass
Resource:
third-party-advisory
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:24 Jun, 2026 | 13:16
Updated At:24 Jun, 2026 | 13:16

Cap-go before 12.128.2 contains an authorization bypass vulnerability in the GET /organization/members endpoint that allows org-limited API keys to bypass limited_to_orgs restrictions. Attackers with org-limited API keys can read membership data including uid, email, image_url, role, and is_tmp from organizations outside their assigned scope.

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:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:L/I:N/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:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:L/I:N/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-285Primarydisclosure@vulncheck.com
CWE ID: CWE-285
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/Cap-go/capgo/security/advisories/GHSA-q7xv-p34q-v365disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/cap-go-authorization-bypass-in-organization-members-endpoint-via-api-key-scope-bypassdisclosure@vulncheck.com
N/A
Hyperlink: https://github.com/Cap-go/capgo/security/advisories/GHSA-q7xv-p34q-v365
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/cap-go-authorization-bypass-in-organization-members-endpoint-via-api-key-scope-bypass
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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