StudioCMS has an Authorization Bypass Through User-Controlled Key
Priority MEDIUM 62CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-639.
Summary
StudioCMS is a server-side-rendered, Astro native, headless content management system. Versions prior to 0.2.0 contain a Broken Object Level Authorization (BOLA) vulnerability in the Content Management feature that allows users with the "Visitor" role to access draft content created by Editor/Admin/Owner users. Version 0.2.0 patches the issue.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00343 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed studiocms (withstudiocms): 0.2.0studiocms (npm): 0.2.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| withstudiocms | studiocms | before 0.2.0 | 0.2.0 | Patch available | CNA |
| — | studiocms (npm) | before 0.2.0 | 0.2.0 | Patch available | GHSA-8cw6-53m5-4932 |
- studiocms Vendorwithstudiocms Affected before 0.2.0 Fixed in 0.2.0 Patch available CNA
- studiocms (npm) Vendor— Affected before 0.2.0 Fixed in 0.2.0 Patch available GHSA-8cw6-53m5-4932
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:studiocms:studiocms:*:*:*:*:*:*:*:* | before 0.2.0 | Vulnerable | withstudiocms |
- cpe:2.3:a:studiocms:studiocms:*:*:*:*:*:*:*:* Versions before 0.2.0 Vulnerable ·withstudiocms
Remediation
- Fix · CNA studiocms (withstudiocms) Fixed in 0.2.0
- Fix · GHSA-8cw6-53m5-4932 studiocms (npm) Fixed in 0.2.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-24134
- 2026-10-03 Alias added: GHSA-8cw6-53m5-4932
References
More withstudiocms Studiocms vulnerabilities
- TI-2026-23769 StudioCMS Affected by Privilege Escalation via Insecure API Token Generation CVSS 3.1HIGH 8.8
- TI-2026-24639 StudioCMS S3 Storage Manager Authorization Bypass via Missing `await` on Async Auth Check CVSS 3.1HIGH 7.6
- TI-2026-24644 StudioCMS: REST API Missing Rank Check Allows Admin to Create Peer Admin Accounts CVSS 3.1HIGH 7.2
- TI-2026-24641 StudioCMS: IDOR — Admin-to-Owner Account Takeover via Password Reset Link Generation CVSS 3.1HIGH 7.2
- TI-2026-24642 StudioCMS: IDOR in User Notification Preferences Allows Any Authenticated User to Modify Any User's Settings CVSS 3.1MEDIUM 5.4
- TI-2026-25147 StudioCMS REST getUsers Exposes Owner Account Records to Admin Tokens CVSS 3.1LOW 2.7
Sources
- CVE-2026-24134 · CVE Program
- CVE-2026-24134 · NVD
- FIRST EPSS
- GHSA-8cw6-53m5-4932 · GitHub Advisory Database · CC BY 4.0
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