Auth bypass in Dadrus Heimdall
CVE-2026-32811
Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. When using Heimdall in envoy gRPC decision API mode with versions 0.7.0-alpha through 0.17.10, wrong encoding of the query URL string allows rules with no…
EPSS: 0.003 (22.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.
Affected products
- Dadrus Heimdall — versions >= 0.7.0-alpha, < 0.17.11
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-32811?
- CVE-2026-32811 is a high-severity vulnerability in Dadrus Heimdall, classified under Improper Encoding or Escaping of Output. CVSS score: 8.2/10. Published 2026-03-20.
- How severe is CVE-2026-32811?
- High severity. CVSS v3 base score is 8.2 out of 10.