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CVE-2022-29970 — Vulnerability in sinatra — CVE Details

HIGH

sinatra does not validate expanded path matches

Published May 3, 2022Updated November 4, 2025Source: osv

Summary

Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files.

Advisory Timeline

  • First published May 3, 2022 (1624 days ago).
  • Last revised November 4, 2025 — 1282 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update sinatra to 2.2.0 or later
gem install sinatra -v 2.2.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
sinatra
rubygems
0.1.0, 0.1.5, 0.1.6, 0.1.7 (+84 more)2.2.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Frequently Asked Questions

What is CVE-2022-29970?
sinatra does not validate expanded path matches This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2022-29970?
CVE-2022-29970 affects sinatra. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2022-29970 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-qp49-3pvw-x4m5

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