What’s Vulnerable › Products

rack-session vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your rack-session version is affected

Latest rack-session vulnerabilities

• CVE-2026-39324 — Rack::Session::Cookie secrets: decrypt failure fallback enables secretless session forgery and Marshal deserialization (CVSS 9.8)
• CVE-2025-46336 — Rack session gets restored after deletion (CVSS 4.2)