PYSEC-2026-4224 Hydra: Optuna custom_search_space can resolve and execute untrusted callables via get_method

Summary hydra-optuna-sweeper accepted a configuration-controlled dotted path in hydra.sweeper.customsearchspace, resolved it with the lower-level hydra.utils.getmethod API, and later invoked the returned callable. Hydra's object-lookup helpers intentionally trust their input and do not apply the...

GHSA-5JJJ-9XC3-RM56 Hydra: Optuna custom_search_space can resolve and execute untrusted callables via get_method

Summary hydra-optuna-sweeper accepted a configuration-controlled dotted path in hydra.sweeper.customsearchspace, resolved it with the lower-level hydra.utils.getmethod API, and later invoked the returned callable. Hydra's object-lookup helpers intentionally trust their input and do not apply the...

Hydra: Optuna custom_search_space can resolve and execute untrusted callables via get_method

Summary hydra-optuna-sweeper accepted a configuration-controlled dotted path in hydra.sweeper.customsearchspace, resolved it with the lower-level hydra.utils.getmethod API, and later invoked the returned callable. Hydra's object-lookup helpers intentionally trust their input and do not apply the...

CVE-2026-106440 Hydra: Optuna custom_search_space can resolve and execute untrusted callables via get_method

Hydra is a framework for elegantly configuring complex applications. From 1.2.0 until 1.3.0 and 1.4.0.dev10, the hydra-optuna-sweeper package accepts a configuration-controlled dotted path in hydra.sweeper.customsearchspace, resolves it with hydra.utils.getmethod, and later invokes the returned...

CVE-2026-106440

The hydra-optuna-sweeper package (versions 1.2.0 to 1.3.0 and 1.4.0.dev10 ) is vulnerable to arbitrary code execution. An attacker who controls Optuna sweep configurations or command-line overrides can provide a configuration-controlled dotted path in hydra.sweeper.custom_search_space. The system...