CVE-2026-105846
Payload: Untrusted redirect URL parameter exploit
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-601 |
| Vendor | payloadcms |
| Product | payload |
| Published | Oct 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
payloadcms / payload
>= 3.40.0, < 3.88.0 >= 4.0.0-canary.0, < 4.0.0-canary.27
@payloadcms / next
>= 3.31.0, < 3.88.0 >= 4.0.0-canary.0, < 4.0.0-canary.27