github.com/dadrus/heimdall Known Vulnerabilities & Fixes
github.com/dadrus/heimdall has 4 known security vulnerabilities in Go Modules. Upgrade to version 0.17.17 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: 0.17.17
Upgrading to 0.17.17 or later resolves all 4 known vulnerabilities in github.com/dadrus/heimdall. Run: go get github.com/dadrus/heimdall@v0.17.17
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Security Summary
- 4 affected version ranges have been identified across these 4 advisories.
- 100% of known issues have a published fixed version.
- Remediation: go get -u github.com/dadrus/heimdall
Vulnerabilities
4 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Apr 25, 2026, most recently Jun 18, 2026 (54 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-42274 Heimdall has an authorization bypass via path normalization mismatch | HIGH | All versions | 0.17.14 |
| CVE-2026-42273 Heimdall: Case-sensitive host matching may lead to policy bypass | HIGH | All versions | 0.17.14 |
| CVE-2026-42272 Heimdall: Case-sensitive handling of URL-encoded slashes may lead to inconsistent path interpretation | HIGH | All versions | 0.17.14 |
| CVE-2026-57209 Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode | HIGH | All versions | 0.17.17 |
About This Data
Vulnerability data for github.com/dadrus/heimdall 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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