# github.com/dadrus/heimdall (Go) vulnerabilities

6 known vulnerabilities (6 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: v0.17.28 (Oct 30, 2026): no advisory affects it
- Newest unaffected release: v0.17.28 (Oct 30, 2026), the latest release
- Releases: 75 since v0.15.0 (Sep 16, 2024)
- Registry: https://pkg.go.dev/github.com/dadrus/heimdall
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-57210: v0.1.0-alpha to v0.17.16 (v0.17.17 is outside it)
- CVE-2026-57209: v0.1.0-alpha to v0.17.16 (v0.17.17 is outside it)
- CVE-2026-42274: v0.1.0-alpha to v0.17.13 (v0.17.14 is outside it)
- CVE-2026-42273: v0.1.0-alpha to v0.17.13 (v0.17.14 is outside it)
- CVE-2026-42272: v0.1.0-alpha to v0.17.13 (v0.17.14 is outside it)
- CVE-2026-32811: v0.7.0-alpha to v0.17.10 (v0.17.11 is outside it)

## Advisories (6)

### [CVE-2026-57210](https://cve.now/CVE-2026-57210): Heimdall: IP Spoofing via Unvalidated Forwarding Headers

- Severity: High 7.0
- Published: Oct 23, 2026
- Affected: fixed in 0.17.17.
- Fixed in v0.17.17 (released Jun 15, 2026, 130 days before disclosure).
- The latest release, v0.17.28, is not affected.

### [CVE-2026-57209](https://cve.now/CVE-2026-57209): Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode

- Severity: High 7.0
- Published: Oct 23, 2026
- Affected: fixed in 0.17.17.
- Fixed in v0.17.17 (released Jun 15, 2026, 130 days before disclosure).
- The latest release, v0.17.28, is not affected.

### [CVE-2026-42274](https://cve.now/CVE-2026-42274): Heimdall: Authorization bypass via path normalization mismatch

- Severity: High 7.8
- Published: May 8, 2026
- Affected: fixed in 0.17.14.
- Fixed in v0.17.14 (released Apr 19, 2026, 19 days before disclosure).
- The latest release, v0.17.28, is not affected.

### [CVE-2026-42273](https://cve.now/CVE-2026-42273): Heimdall: Case-sensitive host matching may lead to policy bypass

- Severity: High 7.8
- Published: May 8, 2026
- Affected: fixed in 0.17.14.
- Fixed in v0.17.14 (released Apr 19, 2026, 19 days before disclosure).
- The latest release, v0.17.28, is not affected.

### [CVE-2026-42272](https://cve.now/CVE-2026-42272): Heimdall: Case-sensitive handling of URL-encoded slashes may lead to inconsistent path interpretation

- Severity: High 7.8
- Published: May 8, 2026
- Affected: fixed in 0.17.14.
- Fixed in v0.17.14 (released Apr 19, 2026, 19 days before disclosure).
- The latest release, v0.17.28, is not affected.

### [CVE-2026-32811](https://cve.now/CVE-2026-32811): Heimdall: Path received via Envoy gRPC corrupted when containing query string

- Severity: High 8.2
- Published: Mar 20, 2026
- Affected: from 0.7.0-alpha, fixed in 0.17.11.
- Fixed in v0.17.11 (released Mar 15, 2026, 5 days before disclosure).
- The latest release, v0.17.28, is not affected.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/go/github.com/dadrus/heimdall
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.