Description
Coze Studio through 0.5.1 contains an insecure direct object reference vulnerability in workflow.go that allows authenticated users to access other spaces' workflows by supplying foreign workflowIDs. Attackers can pair their own spaceID with another tenant's workflowID in save, update_meta, batch_delete, canvas, test_run and nodeDebug routes to read, run, overwrite or delete workflows.
Published: 2026-10-20
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 20 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
Description Coze Studio through 0.5.1 contains an insecure direct object reference vulnerability in workflow.go that allows authenticated users to access other spaces' workflows by supplying foreign workflowIDs. Attackers can pair their own spaceID with another tenant's workflowID in save, update_meta, batch_delete, canvas, test_run and nodeDebug routes to read, run, overwrite or delete workflows.
Title Coze Studio through 0.5.1 Cross-Space Workflow IDOR via Workflow API Handlers
First Time appeared Coze
Coze coze Studio
Weaknesses CWE-639
CPEs cpe:2.3:a:coze:coze_studio:*:*:*:*:*:*:*:*
Vendors & Products Coze
Coze coze Studio
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

Coze Coze Studio
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T13:29:43.391Z

Reserved: 2026-08-21T17:52:36.080Z

Link: CVE-2026-77935

cve-icon Vulnrichment

Updated: 2026-10-20T13:29:40.329Z

cve-icon NVD

Status : Received

Published: 2026-10-20T01:17:19.970

Modified: 2026-10-20T14:17:01.067

Link: CVE-2026-77935

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T12:30:06Z

Weaknesses