What’s Vulnerable › Vulnerabilities

CVE-2018-7212

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-02-18 · updated 2026-06-17
• Weakness: CWE-22

Description

An issue was discovered in rack-protection/lib/rack/protection/path_traversal.rb in Sinatra 2.x before 2.0.1 on Windows. Path traversal is possible via backslash characters.

Affected products

• sinatra: 2.0.0, 2.0.0-beta2, 2.0.0-rc1, 2.0.0-rc2, 2.0.0-rc3, 2.0.0-rc4 (+3)

References

• https://github.com/sinatra/sinatra/commit/6ad721abcfe36334108dcdd05d046c361e1b7a9c
• https://github.com/sinatra/sinatra/pull/1379
• https://github.com/sinatra/sinatra/commit/6ad721abcfe36334108dcdd05d046c361e1b7a9c
• https://github.com/sinatra/sinatra/pull/1379

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