Traefik Security Analysis
Traefik has 3 known security vulnerabilities in Go Modules. Upgrade to version 3.7.7 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: 3.7.7
Upgrading to 3.7.7 or later resolves all 3 known vulnerabilities in Traefik. Run: go get Traefik@v3.7.7
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Check if you're affected and upgrade to 3.7.7 to stay secure.
Vulnerabilities
3 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details.
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-53622 Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts | HIGH | All versions | 3.7.3 |
| CVE-2026-48491 Traefik: SNICheck ignores wildcard TLSOptions mappings, allowing domain-fronted mTLS bypass | HIGH | All versions | 3.7.3 |
| CVE-2026-65601 Traefik Gateway API HTTPRoute BackendRef ExtensionRef Namespace Confusion | MEDIUM | All versions | 3.7.7 |
About This Data
Vulnerability data for Traefik 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 Go Modules Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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