excon Known Vulnerabilities & Fixes
excon has 2 known security vulnerabilities in RubyGems (Ruby). Upgrade to version 1.5.0 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 1.5.0
Upgrading to 1.5.0 or later resolves all 2 known vulnerabilities in excon. Run: gem install excon -v 1.5.0
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Check if you're affected and upgrade to 1.5.0 to stay secure.
Security Summary
- 2 affected version ranges have been identified across these 2 advisories.
- 100% of known issues have a published fixed version.
- Remediation: gem update excon
Vulnerabilities
2 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Dec 16, 2019, most recently Jul 10, 2026 (2398 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2019-16779 In RubyGem excon, interrupted Persistent Connections May Leak Response Data | MEDIUM | 0.0.1, 0.0.10, 0.0.11, 0.0.12 (+203 more) | 0.71.0 |
| CVE-2026-54171 Excon does not redact additional sensitive/risky headers when following redirects | MEDIUM | 0.0.1, 0.0.10, 0.0.11, 0.0.12 (+274 more) | 1.5.0 |
About This Data
Vulnerability data for excon is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related RubyGems (Ruby) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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