Heimdall 安全漏洞

Heimdall is an open-source application panel and launcher developed by LinuxServer.io. Versions of Heimdall prior to 0.17.14 contained security vulnerabilities. These vulnerabilities stemmed from the handling of URL-encoded slashes in a case-sensitive manner. URL-encoded slashes are defined as...

Interpretation Conflict

Overview Affected versions of this package are vulnerable to Interpretation Conflict via a mismatch in path normalization between components. An attacker can gain unauthorized access to restricted resources or perform actions without proper authentication by crafting requests with specially...

Interpretation Conflict

Overview Affected versions of this package are vulnerable to Interpretation Conflict via a mismatch in path normalization between components. An attacker can gain unauthorized access to restricted resources or perform actions without proper authentication by crafting requests with specially...

GHSA-3Q34-RX83-R6MQ Heimdall has an authorization bypass via path normalization mismatch

Summary Heimdall performs rule matching on the raw non-normalized request path, while downstream components may normalize dot-segments according to RFC 3986, Section 6.2.2.3. This discrepancy can result in heimdall authorizing a request for one path e.g., /user/../admin, or URL-encoded variants...

Heimdall: Case-sensitive host matching may lead to policy bypass

Summary Heimdall performs host matching in a case-sensitive manner, while HTTP hostnames are case-insensitive. This discrepancy can result in heimdall failing to match a rule for a request host that differs only in letter casing, potentially causing the request to be classified differently than...

PT-2026-37188

Name of the Vulnerable Software and Affected Versions Heimdall versions prior to 0.17.14 Description Heimdall performs rule matching on the raw request path, whereas downstream components may normalize dot-segments according to RFC 3986. This discrepancy allows for the authorization of a request...

PT-2026-37187

Name of the Vulnerable Software and Affected Versions Heimdall versions prior to 0.17.14 Description Heimdall performs host matching in a case-sensitive manner, which conflicts with the case-insensitive nature of HTTP hostnames. This discrepancy allows a request host that differs only in letter...

PT-2026-37186

Name of the Vulnerable Software and Affected Versions Heimdall versions prior to 0.17.14 Description Heimdall handles URL-encoded slashes %2F in a case-sensitive manner, whereas percent-encoding is defined as case-insensitive. When the allow encoded slashes variable is set to off the default...

Heimdall - Host Header Injection & Open Redirect

LinuxServer.io Heimdall 2.6.3-ls307 contains a host header injection caused by improper validation of user-supplied HTTP headers X-Forwarded-Host and Referer, letting unauthenticated remote attackers perform host header injection and open redirect attacks, exploit requires no special privileges...

SUSE 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 non-wildcard path expressions to be bypassed. Envoy splits t...

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 non-wildcard path expressions to be bypassed. Envoy splits t...

GO-2026-4742 Heimdall: Path received via Envoy gRPC corrupted when containing query string in github.com/dadrus/heimdall

Heimdall: Path received via Envoy gRPC corrupted when containing query string in github.com/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 non-wildcard path expressions to be bypassed. Envoy splits t...

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 non-wildcard path expressions to be bypassed. Envoy splits t...

CVE-2026-32811 Heimdall: Path received via Envoy gRPC corrupted when containing query string

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 non-wildcard path expressions to be bypassed. Envoy splits t...

CVE-2026-32811 Heimdall: Path received via Envoy gRPC corrupted when containing query string

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 non-wildcard path expressions to be bypassed. Envoy splits t...

CVE-2026-32811

This CVE affects Heimdall (cloud-native Identity Aware Proxy/Access Control). In envoy gRPC decision API mode, versions 0.7.0-alpha through 0.17.10 suffer from incorrect encoding of the URL query string when constructing the Path, causing parameters like /mypath?foo=bar to be escaped to /mypath%3...

CVE-2026-32811 Heimdall: Path received via Envoy gRPC corrupted when containing query string

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 non-wildcard path expressions to be bypassed. Envoy splits t...

Heimdall 安全漏洞

Heimdall is an open-source application panel and launcher developed by LinuxServer.io. Versions of Heimdall prior to 0.17.10 contained security vulnerabilities. These vulnerabilities were caused by errors in encoding URL strings, which could lead to rule bypasses...

GHSA-R8X2-FHMF-6MXP Heimdall: Path received via Envoy gRPC corrupted when containing query string

Summary When using heimdall in envoy gRPC decision API mode, wrong encoding of the query URL string allows rules with non-wildcard path expressions to be bypassed. The HTTP based decision API is NOT affected, and proxy mode is NOT affected either. Note: The issue can only lead to unintended acces...