Security readout for executives and security teams
Plain-English summary
StudioCMS versions before 0.2.0 can expose draft content to low-privileged “Visitor” users. This is a confidentiality issue: unpublished material created by higher-privileged users may be visible before intended release. The vendor states version 0.2.0 patches the issue.
Executive priority
Treat as a timely patching item, not an emergency. Prioritize faster if draft content includes confidential launches, regulated information, customer data, or internal communications.
Technical view
CVE-2026-24134 is a Broken Object Level Authorization flaw in StudioCMS Content Management. User-controlled object access can allow Visitor-role users to access draft content owned or created by Editor, Admin, or Owner users. CVSS 3.1 is 6.5: network exploitable, low complexity, low privileges required, no user interaction, high confidentiality impact.
Likely exposure
Organizations running withstudiocms/studiocms versions earlier than 0.2.0 are potentially exposed, especially where untrusted or broad Visitor accounts exist and draft content is sensitive.
Exploitation context
The source bundle does not indicate active exploitation, and KEV status is false. The issue requires an authenticated Visitor-level user, not anonymous access, based on the advisory description.
Researcher notes
Evidence is limited to the CVE record, GitHub advisory, patch commit, and 0.2.0 release. The advisory identifies CWE-639 and CWE-862. No public source in the bundle reports exploitation in the wild.
Mitigation direction
- Upgrade StudioCMS to version 0.2.0 or later.
- Review vendor advisory and release notes before deployment.
- Limit Visitor accounts until upgraded if draft content is sensitive.
- Audit draft content exposure assumptions after remediation.
Validation and detection
- Inventory StudioCMS deployments and confirm installed versions.
- Identify any instances running versions earlier than 0.2.0.
- Review user roles, especially Visitor accounts, on affected instances.
- Verify draft content is not accessible to Visitor users after upgrade.
- Check application logs for unusual draft content access where available.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-639: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-24134 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/withstudiocms/studiocms/security/advisories/GHSA-8cw6-53m5-4932CVE reference · x_refsource_CONFIRM
- https://github.com/withstudiocms/studiocms/commit/efc10bee20db090fdd75463622c30dda390c50adCVE reference · x_refsource_MISC
- https://github.com/withstudiocms/studiocms/releases/tag/studiocms%400.2.0CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.