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CVE-2026-77935

8.3 · HIGH

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.

Published Oct 20, 2026CWE-639EPSS 0.41%

Overview

CVE-2026-77935 is a high-severity vulnerability. It was published on October 20, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/coze-dev/coze-studio/blob/72cecff858a5a18662c5d9d1a4764c53ebc98317/backend/application/workflow/workflow.go#L303Refwww.lasso.security/vulnerability-database/cve-2026-77935Refwww.vulncheck.com/advisories/coze-studio-through-0.5.1-cross-space-workflow-idor-via-workflow-api-handlers

How CyberStrike helps

Frequently asked questions

What is CVE-2026-77935?

CVE-2026-77935 is a high-severity vulnerability. It was published on October 20, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).

How severe is CVE-2026-77935?

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-77935?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-77935?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-77935 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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