CVE Vulnerabilities

CVE-2026-105863

Authentication Bypass by Spoofing

Published: Oct 06, 2026 | Modified: Oct 15, 2026
CVSS 3.x
9.4
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0.

Weakness

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Affected Software

NameVendorStart VersionEnd Version
PayloadPayloadcms3.0.0 (including)3.90.0 (excluding)
PayloadPayloadcms4.0.0-canary0 (including)4.0.0-canary0 (including)
PayloadPayloadcms4.0.0-canary1 (including)4.0.0-canary1 (including)
PayloadPayloadcms4.0.0-canary10 (including)4.0.0-canary10 (including)
PayloadPayloadcms4.0.0-canary11 (including)4.0.0-canary11 (including)
PayloadPayloadcms4.0.0-canary12 (including)4.0.0-canary12 (including)
PayloadPayloadcms4.0.0-canary13 (including)4.0.0-canary13 (including)
PayloadPayloadcms4.0.0-canary14 (including)4.0.0-canary14 (including)
PayloadPayloadcms4.0.0-canary15 (including)4.0.0-canary15 (including)
PayloadPayloadcms4.0.0-canary16 (including)4.0.0-canary16 (including)
PayloadPayloadcms4.0.0-canary17 (including)4.0.0-canary17 (including)
PayloadPayloadcms4.0.0-canary18 (including)4.0.0-canary18 (including)
PayloadPayloadcms4.0.0-canary19 (including)4.0.0-canary19 (including)
PayloadPayloadcms4.0.0-canary2 (including)4.0.0-canary2 (including)
PayloadPayloadcms4.0.0-canary20 (including)4.0.0-canary20 (including)
PayloadPayloadcms4.0.0-canary21 (including)4.0.0-canary21 (including)
PayloadPayloadcms4.0.0-canary22 (including)4.0.0-canary22 (including)
PayloadPayloadcms4.0.0-canary23 (including)4.0.0-canary23 (including)
PayloadPayloadcms4.0.0-canary24 (including)4.0.0-canary24 (including)
PayloadPayloadcms4.0.0-canary25 (including)4.0.0-canary25 (including)
PayloadPayloadcms4.0.0-canary26 (including)4.0.0-canary26 (including)
PayloadPayloadcms4.0.0-canary27 (including)4.0.0-canary27 (including)
PayloadPayloadcms4.0.0-canary28 (including)4.0.0-canary28 (including)
PayloadPayloadcms4.0.0-canary29 (including)4.0.0-canary29 (including)
PayloadPayloadcms4.0.0-canary3 (including)4.0.0-canary3 (including)
PayloadPayloadcms4.0.0-canary30 (including)4.0.0-canary30 (including)
PayloadPayloadcms4.0.0-canary31 (including)4.0.0-canary31 (including)
PayloadPayloadcms4.0.0-canary32 (including)4.0.0-canary32 (including)
PayloadPayloadcms4.0.0-canary33 (including)4.0.0-canary33 (including)
PayloadPayloadcms4.0.0-canary4 (including)4.0.0-canary4 (including)
PayloadPayloadcms4.0.0-canary5 (including)4.0.0-canary5 (including)
PayloadPayloadcms4.0.0-canary6 (including)4.0.0-canary6 (including)
PayloadPayloadcms4.0.0-canary7 (including)4.0.0-canary7 (including)
PayloadPayloadcms4.0.0-canary8 (including)4.0.0-canary8 (including)
PayloadPayloadcms4.0.0-canary9 (including)4.0.0-canary9 (including)

References