# Dadrus vulnerabilities

Source: https://junglewise.ai/threats/vendors/dadrus  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/dadrus.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Dadrus: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-57209, was published on 23 October 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 1
- All time: 4 (0 critical, 0 exploited in the wild)

## About Dadrus

Provider of identity and access control solutions for distributed systems.

## Latest Dadrus vulnerabilities

- [CVE-2026-57209: Heimdall Forwarded header injection in proxy mode](https://junglewise.ai/threats/cve-2026-57209-heimdall-forwarded-header-injection-via-unsanitized-host-header) (medium, CVSS 4, published 23 Oct 2026)
- [CVE-2026-42274: dadrus Heimdall authorization bypass via path normalization mismatch](https://junglewise.ai/threats/cve-2026-42274-dadrus-heimdall-authorization-bypass-via-path-normalization) (high, CVSS 4, published 8 May 2026)
- [CVE-2026-42273: Dadrus Heimdall case-sensitive host matching policy bypass](https://junglewise.ai/threats/cve-2026-42273-dadrus-heimdall-case-sensitive-host-matching-policy-bypass) (high, CVSS 4, published 8 May 2026)
- [CVE-2026-42272: dadrus Heimdall authorization bypass via case-sensitive URL encoding](https://junglewise.ai/threats/cve-2026-42272-dadrus-heimdall-authorization-bypass-via-case-sensitive-url) (high, CVSS 4, published 8 May 2026)

## Most severe Dadrus vulnerabilities

- [CVE-2026-42272: dadrus Heimdall authorization bypass via case-sensitive URL encoding](https://junglewise.ai/threats/cve-2026-42272-dadrus-heimdall-authorization-bypass-via-case-sensitive-url) (high, CVSS 4, published 8 May 2026)
- [CVE-2026-42274: dadrus Heimdall authorization bypass via path normalization mismatch](https://junglewise.ai/threats/cve-2026-42274-dadrus-heimdall-authorization-bypass-via-path-normalization) (high, CVSS 4, published 8 May 2026)
- [CVE-2026-42273: Dadrus Heimdall case-sensitive host matching policy bypass](https://junglewise.ai/threats/cve-2026-42273-dadrus-heimdall-case-sensitive-host-matching-policy-bypass) (high, CVSS 4, published 8 May 2026)
- [CVE-2026-57209: Heimdall Forwarded header injection in proxy mode](https://junglewise.ai/threats/cve-2026-57209-heimdall-forwarded-header-injection-via-unsanitized-host-header) (medium, CVSS 4, published 23 Oct 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 1 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Dadrus technologies

- [Dadrus Heimdall](https://junglewise.ai/threats/technologies/heimdall): 5 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Dadrus vulnerabilities", https://junglewise.ai/threats/vendors/dadrus, 9 November 2026.