CVE-2026-32811
HighSummary
Heimdall to natywna chmurowa usługa proxy świadoma tożsamości i podejmowania decyzji o dostępie. W trybie API decyzji gRPC z wersjami od 0.7.0-alpha do 0.17.10, niewłaściwe kodowanie ciągu URL zapytania pozwala na ominięcie reguł z wyrażeniami ścieżkowymi, które nie są dzikimi znakami.
Risk Assessment
Organizacja może być narażona na niezamierzony dostęp do zasobów, jeśli Heimdall jest skonfigurowany z domyślną regułą 'zezwól na wszystko'. To może prowadzić do poważnych naruszeń bezpieczeństwa.
Recommendation
Zaleca się aktualizację Heimdall do wersji 0.16.0 lub nowszej, aby skorzystać z wprowadzonych zabezpieczeń oraz przegląd konfiguracji reguł dostępu, aby uniknąć nieautoryzowanego dostępu.
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Original NVD description (English source)
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 the requested URL into parts, and sends the parts individually to Heimdall. Although query and path are present in the API, the query field is documented to be always empty and the URL query is included in the path field. The implementation uses go's url library to reconstruct the url which automatically encodes special characters in the path. As a consequence, a parameter like /mypath?foo=bar to Path is escaped into /mypath%3Ffoo=bar. Subsequently, a rule matching /mypath no longer matches and is bypassed. The issue can only lead to unintended access if Heimdall is configured with an "allow all" default rule. Since v0.16.0, Heimdall enforces secure defaults and refuses to start with such a conf
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

