Findings

CVE-2026-105846

Payload is a free and open source headless content management system.

Published Oct 6, 2026 · updated Oct 15, 2026 · payloadcms payload

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.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 6, 2026 · NIST NVD

    Detected

    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.

  2. Oct 15, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe payloadcms/payloadversion unspecified
  • cpe payloadcms/payload4.0.0

Sources

  • CVE.orgCVE-2026-105846

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-105846

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDCVE-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

    nvd.nist.gov

References