PU
Product
puma
by puma · last CVE Jul 14, 2026
14
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 1High 9Medium 3Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-5249
6.5
2%
Mar 2
In Puma (RubyGem) before 4.3.3 and 3.12.4, if an application using Puma allows untrusted input in an early-hints header, an attacker can use a carriage return character to end the…
Affected: through 3.12.3; 4.0.0 through 4.3.2
CVE-2022-23634
5.9
2%
Feb 11
Puma is a Ruby/Rack web server built for parallelism
Affected: before 4.3.11; 5.0.0 before 5.6.2
CVE-2024-45614
5.4
1%
Sep 19
Puma is a Ruby/Rack web server built for parallelism
Affected: before 5.6.9; 6.0.0 before 6.4.3
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