CVE-2026-105846CWE-601

CVE-2026-105846

Medium · published October 6, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
12.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00225 · 12.4th percentile
Weakness
CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
Published
2026-10-06T21:17Z
Affected products (28)
ProductVersionsFixed in
payloadcms/payload≥ 3.40.0, < 3.88.03.88.0
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References (3)
https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a · [email protected]https://github.com/payloadcms/payload/releases/tag/v3.88.0 · [email protected]https://github.com/payloadcms/payload/security/advisories/GHSA-w84c-53h3-mc2g · [email protected]
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 16:01Z
    Payload: Untrusted redirect URL parameter exploit
    cvelistv5