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CVE-2026-77935

8.3, high

Coze-dev coze-studio Authorization Bypass Through User-Controlled Key Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
8.3, high high CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
20 Oct 2026today

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.

Details

Vendor
Coze-dev
Product
coze-studio
Weakness
CWE-639 (opens in a new tab)
Status
Received
Updated
20 Oct 2026
Assigner
disclosure@vulncheck.com

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

References 3

Advisories 1

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Coze-dev CVEs

Every Coze-dev CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-77934 Coze Studio before 0.5.0 contains an insecure default configuration that allows any registered user to execute commands by running… 8.8, high

Beyond this page

Is CVE-2026-77935 in your network?

This page tells you how dangerous CVE-2026-77935 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 20 Oct 2026, not the live upstream state.