CVE-2023-5838: Linkstack

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Insufficient Session Expiration in GitHub repository linkstackorg/linkstack prior to v4.2.9.

Affected products

• Linkstack Linkstack: before 4.2.9 (fixed in 4.2.9)

Published 2023-10-29. Last modified 2026-06-17.