Findings

CVE-2026-105866

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 before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication collection to prevent that account from signing in. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

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 before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication collection to prevent that account from signing in. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

  2. Oct 15, 2026 · NIST NVD

    Updated

    Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication collection to prevent that account from signing in. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

Affected

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

Sources

  • CVE.orgCVE-2026-105866

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-105866

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDCVE-2026-105866

    Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication

    nvd.nist.gov

References

CVE-2026-105866 · ZeroDay Findings