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NVD Vulnerability Details :
CVE-2026-56778
Analyzed
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-08 Jul, 2026 | 14:17
Updated At-08 Jul, 2026 | 19:26

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an authorization bypass in the Public API execution retry endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a shared workflow can use the Public API to retry executions of that workflow, bypassing the intended permission boundary between read and execute access. This affects instances where workflows are shared with other users or across projects.

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:L/VA:N/SC:L/SI:L/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
Secondary3.16.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
N/A
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:L/VA:N/SC:L/SI:L/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: Secondary
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
n8n
n8n
>>n8n>>Versions before 2.25.7(exclusive)
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
n8n
n8n
>>n8n>>Versions from 2.26.0(inclusive) to 2.26.2(exclusive)
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
Weaknesses
CWE IDTypeSource
CWE-863Secondarydisclosure@vulncheck.com
CWE ID: CWE-863
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/n8n-io/n8n/security/advisories/GHSA-h3jj-5f3v-3685disclosure@vulncheck.com
Mitigation
Vendor Advisory
https://www.vulncheck.com/advisories/n8n-authorization-bypass-in-public-api-execution-retry-endpointdisclosure@vulncheck.com
Third Party Advisory
Hyperlink: https://github.com/n8n-io/n8n/security/advisories/GHSA-h3jj-5f3v-3685
Source: disclosure@vulncheck.com
Resource:
Mitigation
Vendor Advisory
Hyperlink: https://www.vulncheck.com/advisories/n8n-authorization-bypass-in-public-api-execution-retry-endpoint
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory
Change History
0Changes found
Details not found