PatchSiren cyber security CVE debrief
CVE-2026-59992 tinacms CVE debrief
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-19T22:16:40.600Z and has not been modified since then. The first-party production media adapters in Tina CMS passed attacker-controlled object keys to storage SDK upload and delete operations without enforcing the operator's configured mediaRoot. This allowed authenticated CMS editors to create or delete objects anywhere the deployment's storage credential could reach, including other tenants' or non-media objects. The issue was addressed in multiple package updates. Tina CMS users and administrators, especially those with authenticated editor privileges, should review and update their media adapter configurations to prevent unauthorized storage object modifications. Authenticated users with editor privileges could potentially manipulate storage objects beyond their intended media scope, requiring review of media adapter configurations and strict access controls.
- Vendor
- tinacms
- Product
- Unknown
- CVSS
- MEDIUM 5.4
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-19
- Original CVE updated
- 2026-08-21
- Advisory published
- 2026-08-19
- Advisory updated
- 2026-08-21
Who should care
Tina CMS users and administrators, especially those with authenticated editor privileges, should review and update their media adapter configurations to prevent unauthorized storage object modifications.
Technical summary
The first-party production media adapters in Tina CMS passed attacker-controlled object keys to storage SDK upload and delete operations without enforcing the operator's configured mediaRoot. This allowed authenticated CMS editors to create or delete objects anywhere the deployment's storage credential could reach, including other tenants' or non-media objects. The issue was addressed in multiple package updates.
Defensive priority
Authenticated users with editor privileges could potentially manipulate storage objects beyond their intended media scope, requiring review of media adapter configurations and strict access controls.
Recommended defensive actions
- Review and enforce strict access controls for media adapters
- Verify and restrict object key handling in storage SDK operations
- Update affected packages to fixed versions: next-tinacms-s3 23.0.4, next-tinacms-dos 23.0.4, next-tinacms-azure 14.0.4, next-tinacms-cloudinary 26.0.4
- Monitor for unauthorized storage object modifications
- Implement compensating controls for media management
Evidence notes
The CVE details indicate that the first-party production media adapters in Tina CMS had a vulnerability where attacker-controlled object keys were passed to storage SDK operations without proper enforcement of the configured mediaRoot. This issue existed in multiple packages including next-tinacms-s3, next-tinacms-dos, next-tinacms-azure, and next-tinacms-cloudinary. Fixes were released in versions next-tinacms-s3 23.0.4, next-tinacms-dos 23.0.4, next-tinacms-azure 14.0.4, and next-tinacms-cloudinary 26.0.4.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-19T22:16:40.600Z and has not been modified since then.