Critical severity9.8NVD Advisory· Published Nov 16, 2017· Updated Jun 17, 2026
CVE-2017-0909
CVE-2017-0909
Description
The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
private_address_checkRubyGems | < 0.4.1 | 0.4.1 |
Affected products
3- cpe:2.3:a:private_address_check_project:private_address_check:*:*:*:*:*:ruby:*:*Range: <0.4.1
- HackerOne/private_address_check ruby gemv5Range: Versions before 0.4.1
Patches
Vulnerability mechanics
References
4- hackerone.com/reports/288950nvdIssue TrackingPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-3v3c-r5v2-68phghsaADVISORY
- github.com/jtdowney/private_address_check/pull/3nvdIssue TrackingThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2017-0909ghsaADVISORY
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