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This CVE record is not being prioritized for NVD enrichment efforts due to resource or other concerns.
Description
Kanidm is an identity management platform. Prior to version 1.9.3, a single unauthenticated GET to any /scim/v1/... endpoint with a ?filter= query string of a few thousand nested parentheses (≈ 4–12 KB) drives the recursive-descent PEG parser past the worker thread's stack guard page. Rust responds to stack overflow with std::process::abort() — the entire kanidmd process exits. The parse runs inside axum's Query<ScimEntryGetQuery> extractor, before any handler body and therefore before any ACL check. This issue has been patched in version 1.9.3.
Metrics
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Title: Kanidm, Description: Kanidm es una plataforma de gestión de identidades. Antes de la versión 1.9.3, una única solicitud GET no autenticada a cualquier endpoint /scim/v1/... con una cadena de consulta ?filter= de unos pocos miles de paréntesis anidados (? 4-12 KB) lleva al analizador PEG de descenso recursivo más allá de la página de protección de pila del hilo de trabajo. Rust responde al desbordamiento de pila con std::process::abort() - el proceso kanidmd completo termina. El análisis se ejecuta dentro del extractor Query<ScimEntryGetQuery> de axum, antes de cualquier cuerpo del gestor y, por lo tanto, antes de cualquier comprobación de ACL. Este problema ha sido parcheado en la versión 1.9.3.
New CVE Received from GitHub, Inc.6/10/2026 6:17:00 PM
Action
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Description
Kanidm is an identity management platform. Prior to version 1.9.3, a single unauthenticated GET to any /scim/v1/... endpoint with a ?filter= query string of a few thousand nested parentheses (≈ 4–12 KB) drives the recursive-descent PEG parser past the worker thread's stack guard page. Rust responds to stack overflow with std::process::abort() — the entire kanidmd process exits. The parse runs inside axum's Query<ScimEntryGetQuery> extractor, before any handler body and therefore before any ACL check. This issue has been patched in version 1.9.3.