CVE-2025-4643: Payload CMS Payload

Medium severity, CVSS 6.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Payload uses JSON Web Tokens (JWT) for authentication. After log out JWT is not invalidated, which allows an attacker who has stolen or intercepted token to freely reuse it until expiration date (which is by default set to 2 hours, but can be changed). This issue has been fixed in version 3.44.0 of Payload.

Affected products

• Payload CMS Payload: before 3.44.0 (fixed in 3.44.0)

Published 2025-08-29. Last modified 2026-06-17.