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 multiple collections sharing a bucket and useCompositePrefixes is false or unset. This bypasses the target collection's access controls and prior file validation. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Metrics
Affected Vendors & Products
References
History
Thu, 15 Oct 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:payloadcms:payload:*:*:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary0:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary10:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary11:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary12:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary13:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary14:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary15:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary16:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary17:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary18:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary19:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary1:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary20:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary21:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary22:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary23:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary24:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary25:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary26:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary27:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary28:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary29:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary2:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary30:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary31:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary32:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary33:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary3:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary4:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary5:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary6:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary7:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary8:*:*:*:node.js:*:* cpe:2.3:a:payloadcms:payload:4.0.0:canary9:*:*:*:node.js:*:* |
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| Metrics |
cvssV3_1
|
Fri, 09 Oct 2026 09:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Payloadcms
Payloadcms payload Payloadcms storage-s3 |
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| Vendors & Products |
Payloadcms
Payloadcms payload Payloadcms storage-s3 |
Tue, 06 Oct 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 06 Oct 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 multiple collections sharing a bucket and useCompositePrefixes is false or unset. This bypasses the target collection's access controls and prior file validation. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34. | |
| Title | Payload: Client uploads could overwrite S3 objects | |
| Weaknesses | CWE-639 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-10-06T16:49:12.532Z
Updated: 2026-10-06T17:24:39.913Z
Reserved: 2026-10-05T23:06:29.748Z
Link: CVE-2026-105867
Updated: 2026-10-06T17:24:35.692Z
Status : Analyzed
Published: 2026-10-06T17:17:23.137
Modified: 2026-10-15T00:07:52.077
Link: CVE-2026-105867
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