CVE-2026-105846
Medium
Description
Payload is a free and open source headless content management system. In versions from 3.40.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an attacker can craft a redirect URL parameter that sends a guest user to an untrusted destination after the authentication flow completes. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.
SeverityMedium
CVSS6.1
Exploit probability—
ProductPayload
PublishedOct 6, 2026
First seenOct 6, 2026
Weakness typeCWE-601Open redirect
How to fix
Update
- payloadcms payload3.88.0 or later
- payload3.88.0, 4.0.0-canary.27 or later
- @payloadcms/next3.88.0, 4.0.0-canary.27 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| payloadcms payload | 3.40.0 ≤ v < 3.88.0, 4.0.0 | 3.88.0 |
| payloadnpm | 3.40.0 ≤ v < 3.88.0, 4.0.0-canary.0 ≤ v < 4.0.0-canary.27 | 3.88.0, 4.0.0-canary.27 |
| @payloadcms/nextnpm | 3.31.0 ≤ v < 3.88.0, 4.0.0-canary.0 ≤ v < 4.0.0-canary.27 | 3.88.0, 4.0.0-canary.27 |
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