CVE•Published 2026-10-06•Modified 2026-10-15•1 article on news•5 live references•NVD data

CVE-2026-105863Payloadcms · Payload

Vulnerability data via NVD (ingested)

CVSS v3.1
9.4
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
EPSS percentile
31
Exploit Prediction Scoring System · top 69% of all CVEs
Description

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.

Timeline
Published 2026-10-06
Modified 2026-10-15

External references

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

More intel sources (5)

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-105863 on GitHub.