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CVE-2026-105863

CVE-2026-105863 · Payload authentication token field handling issue

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 9.2 · Critical · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • payload

    Versions
    • >= 3.0.0, < 3.90.0: Affected
    • >= 4.0.0-canary.0, < 4.0.0-canary.34: Affected

    No fix published

  • payload npm

    Affected ranges
    • SEMVER: ≥ 3.0.0, < 3.90.0

    Update to 3.90.0

  • payload npm

    Affected ranges
    • SEMVER: ≥ 4.0.0-canary.0, < 4.0.0-canary.34

    Update to 4.0.0-canary.34

Original sources

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