RA
Product
rack-session
by rack · last CVE Apr 7, 2026
2
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 1High 0Medium 1Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-39324
9.8
0%
Apr 7
Rack::Session::Cookie secrets: decrypt failure fallback enables secretless session forgery and Marshal deserialization
Affected: >= 2.0.0, < 2.1.2
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