Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)

Summary The production media handler shipped by next-tinacms-s3 createMediaHandler in packages/next-tinacms-s3/src/handlers.ts accepts an attacker-chosen ?key= query parameter and returns an AWS-signed PutObject URL whose Key is that value, with no check that the key falls under the operator's...

NPM: Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)

NPM: Tina: Broken Access Control: arbitrary bucket-key write/delete in next-tinacms-s3 and sibling production media adapters vulnerability discovered by ? in WordPress Npm next-tinacms-cloudinary versions 26.0.4...

next-tina-github-starter (0.1.0) potentially affected by CVE-2026-59992 via next-tinacms-cloudinary (3.5.35)

next-tinacms-cloudinary NPM version 3.5.35 is affected by a known vulnerability. The following packages have a transitive dependency on next-tinacms-cloudinary and may be impacted: - next-tina-github-starter 0.1.0 Source cves: CVE-2026-59992 Source advisory: MEND:CVE-2026-59992...

CVE-2026-59992: Authorization Bypass Through User-Controlled Key

Tina is a headless content management system. Prior to 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, the first-party production media adapters pass attacker-controlled object keys to storage SDK upload and delete operations without...