CVE-2026-44635
HighCVSS 7.5Summary
Kysely to typowo bezpieczny budowniczy zapytań SQL w TypeScript. W wersjach od 0.26.0 do 0.28.16, metoda DefaultQueryCompiler.visitJSONPathLeg nie ucieka metaznaków JSON-path, co pozwala atakującemu na nieautoryzowany dostęp do pól JSON, które nie miały być ujawnione.
Risk Assessment
Organizacja może być narażona na nieautoryzowany dostęp do danych w bazach MySQL, PostgreSQL i SQLite, co może prowadzić do wycieku wrażliwych informacji lub nieautoryzowanych modyfikacji danych.
Recommendation
Zaleca się aktualizację Kysely do wersji 0.28.17 lub nowszej, aby usunąć tę podatność i zabezpieczyć dostęp do danych JSON.
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Original NVD description (English source)
Kysely is a type-safe TypeScript SQL query builder. From 0.26.0 to 0.28.16, DefaultQueryCompiler.visitJSONPathLeg does not escape JSON-path metacharacters (., [, ], *, **, ?). When attacker-controlled input flows into eb.ref(col, '->$').key(input) or .at(input) — including type-safe code where the JSON column is shaped like Record<string, T> so K extends string is the inferred type — every dot becomes a path-leg separator, letting an attacker traverse from the intended key into sibling and child fields the developer never meant to expose. The result is read access (and, in update statements, write access) to JSON sub-fields outside the intended scope across MySQL, PostgreSQL ->$/->>$, and SQLite. This vulnerability is fixed in 0.28.17.