CVE-2026-105867

Payload is a free and open source headless content management system. In @payloadcms/storage-s3 versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user can overwrite an existing S3 object belonging to another upload collection when client uploads are enabled for...

EUVD-2026-93513

Payload is a free and open source headless content management system. In @payloadcms/storage-s3 versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user can overwrite an existing S3 object belonging to another upload collection when client uploads are enabled for...

CVE-2026-105867 Payload: Client uploads could overwrite S3 objects

Payload is a free and open source headless content management system. In @payloadcms/storage-s3 versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user can overwrite an existing S3 object belonging to another upload collection when client uploads are enabled for...

CVE-2026-105867

The Payload headless content management system contains a vulnerability in the @payloadcms/storage-s3 component (versions before 3.90.0 and canary versions before 4.0.0-canary.34 ). An authenticated user can overwrite an existing S3 object belonging to a different upload collection if multiple co...

Directory Traversal

Overview @payloadcms/storage-s3 is a Payload storage adapter for Amazon S3 Affected versions of this package are vulnerable to Directory Traversal via insufficient sanitization of filenames in the client-upload signed-URL endpoints for S3, GCS, Azure, and R2. An attacker can escape the intended...

@ainsleydev/payload-helper (0.0.16), @contentql/core (>=0.1.2, <=0.3.5) +2 more potentially affected by CVE-2026-34750 via @payloadcms/storage-s3 (>=3.0.0-beta.29, <=3.0.0-beta.135)

@payloadcms/storage-s3 NPM version =3.0.0-beta.29, =0.1.2, =0.1.0, =0.1.4, =0.1.5 Source cves: CVE-2026-34750 Source advisory: SNYK:JS-PAYLOADCMSSTORAGES3-15873860...

@ainsleydev/payload-helper (0.0.16), @contentql/core (>=0.1.2, <=0.3.5) +2 more potentially affected by CVE-2026-34750 via @payloadcms/storage-s3 (>=3.0.0-beta.29, <=3.0.0-beta.135)

@payloadcms/storage-s3 NPM version =3.0.0-beta.29, =0.1.2, =0.1.0, =0.1.4, =0.1.5 Source cves: CVE-2026-34750 Source advisory: OSV:GHSA-FRQ9-7J6G-V74X...

CVE-2026-34750: Improper Limitation of a Pathname to a Restricted Directory

Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/storage-azure, @payloadcms/storage-gcs, @payloadcms/storage-r2, and @payloadcms/storage-s3, the client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize...