Rack
Rack-session: vulnerabilities and CVEs
Rack-session has 2 published vulnerabilities, 1 of them in the last 12 months. 1 are rated critical and 0 are listed by CISA as actively exploited.
CVEs2
Last 12 months1
Critical1
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-39324 | Critical (9.3) | 0.27% | — | Apr 7, 2026 | Rack::Session is a session management implementation for Rack. From 2.0.0 to before 2.1.2, Rack::Session::Cookie incorrectly handles decryption failures when configured with secrets:. If cookie decryption fails, the… |
| CVE-2025-46336 | Medium (4.2) | 0.32% | — | May 8, 2025 | Rack::Session is a session management implementation for Rack. In versions starting from 2.0.0 to before 2.1.1, when using the Rack::Session::Pool middleware, and provided the attacker can acquire a session cookie… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.