CVE-2023-49706: Linotp

Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Defective request context handling in Self Service in LinOTP 3.x before 3.2.5 allows remote unauthenticated attackers to escalate privileges, thereby allowing them to act as and with the permissions of another user. Attackers must generate repeated API requests to trigger a race condition with concurrent user activity in the self-service portal.

Affected products

  • Linotp Linotp: from 3.0.0, up to and including 3.2.4
  • Linotp Virtual Appliance: from 3.0.0, up to and including 3.2.4

Published 2023-12-19. Last modified 2026-06-17.