What is CVE-2026-105846?

CVE-2026-105846 is a medium-severity vulnerability in @Payloadcms Next, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-10-06.

How severe is CVE-2026-105846?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in @Payloadcms Next

CVE-2026-105846

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.

Vulnerability class: Open Redirect

Published 2026-10-06 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

@Payloadcms Next — versions >= 3.31.0, < 3.88.0, >= 4.0.0-canary.0, < 4.0.0-canary.27
Payloadcms Payload — versions >= 3.40.0, < 3.88.0, >= 4.0.0-canary.0, < 4.0.0-canary.27

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

Frequently asked questions

What is CVE-2026-105846?: CVE-2026-105846 is a medium-severity vulnerability in @Payloadcms Next, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-10-06.
How severe is CVE-2026-105846?: Medium severity. CVSS v3 base score is 6.1 out of 10.